Introduction
In today's complex manufacturing landscape, original equipment manufacturers (OEMs) face critical decisions about production processes and supply chain management strategies. Two prominent models have emerged as alternatives to traditional in-house manufacturing: consignment assembly and turn-key assembly. These approaches represent fundamentally different philosophies regarding component procurement, inventory management, risk allocation, and operational control.
The choice between consignment and turn-key assembly can significantly impact a company's financial performance, production efficiency, quality control, and competitive positioning. This article provides a detailed examination of both models, analyzing their distinct characteristics, advantages, limitations, and optimal application scenarios.
We'll explore how these assembly strategies affect various aspects of manufacturing operations, from cost structures and inventory management to supply chain complexity and risk profiles. By understanding the nuances of these approaches, manufacturing leaders can make more informed decisions aligned with their strategic objectives, market conditions, and organizational capabilities.
Understanding the Assembly Models
Before diving into detailed comparisons, it's essential to establish clear definitions of consignment and turn-key assembly models.
What is Consignment Assembly?
Consignment assembly is a manufacturing arrangement where the OEM purchases and maintains ownership of components and materials, then provides these items to a contract manufacturer (CM) who performs the assembly operations. The OEM remains responsible for procurement, inventory management, and component quality, while the CM focuses exclusively on the assembly process.
In this model, the OEM typically pays the CM for labor, overhead, and assembly services, but not for materials and components, as these remain the OEM's property throughout the process. The consignment approach gives the OEM greater control over the supply chain and component selection but requires significant involvement in materials management.
What is Turn-Key Assembly?
Turn-key assembly (also known as full-service or full-turnkey assembly) transfers greater responsibility to the contract manufacturer. In this model, the CM handles both component procurement and assembly processes, delivering a completed product ready for distribution or sale.
The OEM provides specifications and requirements, but the contract manufacturer manages the entire supply chain, including sourcing components, maintaining inventory, and ensuring quality standards. The OEM pays for the fully assembled product rather than separately for components and assembly services.
This approach offers the OEM a more hands-off experience and potentially simplifies operations but typically involves relinquishing some control over component selection and supply chain management.
Core Elements of Each Model
Let's examine the fundamental elements that distinguish these two assembly approaches:
Ownership and Control of Materials
Consignment Assembly:
- Materials are owned by the OEM throughout the process
- OEM selects specific components and suppliers
- OEM maintains visibility and control over inventory
- OEM bears the risk of component obsolescence and excess inventory
Turn-Key Assembly:
- Materials are owned by the CM until final product delivery
- CM typically selects suppliers (within OEM specifications)
- CM manages inventory levels and material logistics
- CM assumes risk for component management and excess inventory
Responsibility Distribution
Consignment Assembly:
- OEM: Component selection, purchasing, quality assurance, inventory management
- CM: Assembly operations, process optimization, labor management
Turn-Key Assembly:
- OEM: Product specifications, compliance requirements, final acceptance
- CM: Component sourcing, inventory management, assembly operations, component-level quality control
Financial Structure
Consignment Assembly:
- OEM pays separately for materials and assembly services
- OEM capital is tied up in component inventory
- Pricing model focused on labor and overhead rates
- More transparent cost structure
Turn-Key Assembly:
- OEM pays for completed assemblies only
- Reduced OEM working capital requirements for inventory
- Pricing typically based on completed unit cost
- Potentially less transparency in component-level pricing
Detailed Comparison: Consignment vs. Turn-Key Assembly
The following sections provide an in-depth examination of how consignment and turn-key models compare across various operational dimensions.
Cost Structure Analysis
Direct Costs
In consignment assembly, the OEM maintains direct visibility of component costs and typically achieves lower component pricing through volume purchases across multiple products or assembly partners. The separation of material and labor costs creates greater pricing transparency but requires more administrative overhead to manage.
Turn-key assembly often involves mark-ups on components by the CM, which can increase direct material costs. However, CMs with strong supplier relationships and high purchasing volumes across multiple customers may achieve better pricing than smaller OEMs. The consolidated pricing model simplifies accounting but can obscure individual cost drivers.
Indirect Costs
Significant differences exist in the indirect costs associated with each model:
Cost Category | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Inventory carrying costs | Higher for OEM (maintains inventory) | Lower for OEM (transferred to CM) |
Supply chain management | Higher (OEM manages suppliers) | Lower (CM manages supplier network) |
Material planning resources | Higher (OEM responsibility) | Lower (CM responsibility) |
Quality management | Shared responsibility with added complexity | Primarily CM responsibility |
Material liability risk | Higher for OEM | Higher for CM |
Administrative overhead | Higher (managing component purchasing) | Lower (single purchase transactions) |
Total Cost of Ownership
When evaluating total cost of ownership (TCO), organizations must consider both visible and hidden costs:
Consignment Assembly TCO Components:
- Direct material costs
- Assembly service fees
- Inventory carrying costs (financing, storage, insurance)
- Obsolescence risk and material write-offs
- Supply chain management personnel
- Material planning systems and infrastructure
- Component quality management
- Logistics costs for material movements
Turn-Key Assembly TCO Components:
- Fully-burdened unit pricing
- Contract management costs
- Specification management
- Compliance monitoring
- Final quality assurance
- Supplier relationship management
Supply Chain Complexity
Material Flow Management
The flow of materials differs significantly between models:
Consignment Assembly Flow:
- OEM purchases components from suppliers
- Components are delivered to OEM or directly to CM (with OEM ownership)
- OEM manages inventory levels and replenishment
- CM draws from consigned inventory for production
- CM maintains segregated storage of OEM-owned materials
- Finished goods return to OEM ownership
Turn-Key Assembly Flow:
- CM purchases components from suppliers based on OEM forecasts
- Components are delivered directly to CM
- CM manages inventory levels and replenishment
- CM utilizes purchased materials for production
- CM delivers completed assemblies to OEM
- Ownership transfers at delivery of finished goods
Supply Chain Visibility
Supply chain visibility varies between the models, affecting an organization's ability to monitor performance and respond to disruptions:
Visibility Aspect | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Component availability | High (direct monitoring) | Medium to Low (depends on CM reporting) |
Supplier performance | High (direct relationship) | Low (mediated through CM) |
Pricing fluctuations | High (direct purchasing) | Low (buffered by CM) |
Lead time challenges | High (directly visible) | Medium (potentially obscured) |
Quality issues | High for components, Medium for assembly | Medium (at finished good level) |
Supply chain risks | High awareness but fragmented management | Lower awareness but centralized management |
Inventory Management and Working Capital
Inventory Ownership and Carrying Costs
Inventory ownership significantly impacts working capital requirements and financial performance:
Consignment Assembly:
- OEM carries components on balance sheet
- OEM's working capital is tied up in raw materials and components
- OEM bears the cost of financing inventory
- OEM assumes risk for obsolescence and excess inventory
- Potential tax implications of inventory ownership across locations
Turn-Key Assembly:
- CM carries components on their balance sheet
- OEM's working capital requirements are reduced
- Financing costs embedded in CM pricing
- CM assumes risk for obsolescence but may negotiate terms to mitigate
- Simplified tax implications for OEM
Inventory Visibility and Control
Control over inventory varies substantially between models:
Control Aspect | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Inventory levels | Direct visibility and control | Limited visibility through reporting |
Material allocations | OEM controlled | CM controlled with OEM forecast input |
Shortage prioritization | OEM determined | CM determined (potential conflicts with other customers) |
Excess inventory management | Direct OEM action required | Managed by CM within contractual terms |
Safety stock levels | OEM determined | CM determined with potential minimum requirements |
Inventory optimization | OEM responsible | CM responsible within service level agreements |
Risk Allocation and Management
Different assembly models allocate risks differently between parties:
Material Risk Factors
Risk Factor | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Component obsolescence | OEM risk | CM risk (with potential contract terms) |
Market price fluctuations | Direct OEM exposure | CM exposure with potential pass-through |
Excess inventory | OEM liability | CM liability (with potential minimum purchase agreements) |
Material defects | OEM responsible for component quality | CM responsible for component quality |
Supply chain disruptions | Direct OEM impact | CM managed with OEM visibility |
Long lead-time components | OEM purchasing decision | CM managed within forecast parameters |
Legal and Compliance Risks
Legal considerations also differ between models:
Consignment Assembly:
- OEM maintains direct supplier relationships and contracts
- OEM directly liable for regulatory compliance of components
- More complex logistics compliance (crossing borders under OEM ownership)
- Potential tax implications of inventory ownership in different locations
- Direct responsibility for conflict minerals and environmental compliance
Turn-Key Assembly:
- CM manages supplier relationships and contracts
- CM assumes first-level compliance responsibility (with ultimate OEM liability)
- Simplified logistics compliance for OEM
- Reduced tax complexity regarding inventory
- Delegated responsibility for environmental and material compliance
Quality Control and Management
Quality Assurance Responsibility
Quality control processes and responsibilities vary significantly between assembly models:
Consignment Assembly Quality Control:
- OEM responsible for incoming component quality
- CM responsible for assembly quality
- Shared responsibility creates potential gaps or overlaps
- Multiple quality systems may need to interface
- OEM maintains direct relationship with component manufacturers for quality issues
- More complex failure analysis and corrective action processes
Turn-Key Assembly Quality Control:
- CM responsible for both component and assembly quality
- Single integrated quality system
- CM manages relationships with component suppliers for quality issues
- Simplified failure analysis process through single responsible party
- OEM focused on final product quality specifications
- Clear accountability for defects (though ultimate responsibility remains with OEM)
Quality Management Systems Integration
The integration of quality management systems differs between models:
Quality System Element | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Component specifications | OEM defined | OEM defined, CM implemented |
Incoming inspection | Potentially duplicated | CM managed |
Process quality control | CM with OEM oversight | CM managed |
Failure analysis | Shared responsibility | Primarily CM with OEM involvement |
Supplier corrective actions | OEM driven | CM driven with OEM visibility |
Quality metrics tracking | Separate systems with integration challenges | Unified system under CM |
Quality improvement initiatives | Separate or collaborative | CM driven with OEM input |
Operational Flexibility and Scalability
Production Volume Flexibility
Different assembly models offer varying degrees of flexibility to scale production:
Consignment Assembly:
- OEM must manage component inventory for volume changes
- Material constraints directly visible to OEM
- Potential for faster response to upside demand if materials available
- Direct control over allocation during constraints
- More administrative overhead when scaling production
Turn-Key Assembly:
- CM manages component inventory for volume changes
- Material constraints managed by CM within contractual terms
- Potentially slower response to unplanned upside demand
- Allocation during constraints may compete with other CM customers
- Simpler administrative scaling for OEM
New Product Introduction (NPI)
The introduction of new products follows different processes under each model:
NPI Element | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Component qualification | OEM responsibility | CM responsibility with OEM approval |
Supplier onboarding | OEM managed | CM managed |
Material procurement lead time | OEM managed | CM managed |
Process development | CM with OEM involvement | CM with OEM specifications |
First article inspection | Collaborative | CM performed, OEM approved |
Process validation | CM with OEM oversight | CM with OEM approval |
Documentation management | Split responsibility | Primarily CM with OEM oversight |
Product Change Management
Managing engineering and process changes differs between models:
Consignment Assembly Change Management:
- OEM controls component changes directly
- Component changes may be implemented independently of CM
- Multiple parties involved in change control process
- Direct OEM relationship with component suppliers for changes
- Potentially more complex change validation process
- OEM bears direct cost of obsolete materials due to changes
Turn-Key Assembly Change Management:
- OEM specifies product changes to CM
- CM manages component change implementation
- Streamlined change control process through CM
- CM manages supplier relationships for changes
- Simplified change validation process for OEM
- CM bears cost of obsolete materials (within contractual terms)
Strategic Considerations
Intellectual Property Protection
Protecting intellectual property (IP) involves different considerations in each model:
IP Aspect | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Bill of Materials visibility | Limited CM access to cost/source | Full CM access |
Proprietary component details | Can be obscured from CM | More visible to CM |
Process IP | CM developed | CM developed |
Design details | Can be compartmentalized | More comprehensively shared |
Supplier relationships | Direct OEM control | Mediated through CM |
Competitive intelligence risk | Reduced (compartmentalized information) | Increased (comprehensive information) |
Strategic Control and Leverage
The balance of control and leverage differs between assembly models:
Consignment Assembly Strategic Position:
- OEM maintains direct supplier relationships
- Component knowledge remains in-house
- Potentially easier to change assembly partners
- Strategic components remain under direct control
- More direct control over supply chain strategy
- Reduced dependency on single CM relationship
Turn-Key Assembly Strategic Position:
- CM develops supplier relationships on OEM's behalf
- Component knowledge increasingly resides with CM
- Higher switching costs to change assembly partners
- Strategic components managed through CM
- Supply chain strategy partially delegated to CM
- Increased dependency on CM relationship
Business Continuity and Risk Management
Business continuity planning includes different considerations based on assembly model:
Continuity Element | Consignment Assembly | Turn-Key Assembly |
---|---|---|
Disaster recovery | Multiple parties involved | Primarily CM responsibility |
Supply disruptions | Directly managed by OEM | Managed by CM with OEM oversight |
Financial stability risks | Split between parties | Concentrated in CM relationship |
Knowledge retention | Distributed between OEM and CM | Concentrated in CM |
Alternative sourcing | Directly controlled by OEM | Managed by CM |
Exit strategy complexity | Higher (untangling ownership) | Lower (cleaner separation) |
Industry-Specific Applications
Different industries have developed typical preferences based on their unique characteristics:
Consumer Electronics
The consumer electronics industry often favors turn-key assembly due to:
- Rapid product lifecycles requiring streamlined operations
- Established component ecosystems with standardized parts
- Intense cost pressures favoring supply chain efficiency
- High-volume production benefiting from CM economies of scale
- Mature CMs with sophisticated capabilities
However, companies with highly proprietary designs or specialized components may opt for consignment models to protect IP and maintain control of key technologies.
Medical Devices
The medical device industry often employs consignment assembly due to:
- Stringent regulatory requirements necessitating direct control
- High-value specialized components
- Extended product lifecycles
- Extensive documentation and traceability requirements
- Significant liability concerns
As regulatory compliance becomes increasingly complex, some medical device companies are shifting toward turn-key models with specialized CMs that have robust quality systems and regulatory expertise.
Automotive Electronics
Automotive applications typically involve hybrid approaches:
- Critical components often provided on consignment
- Standard components procured turn-key
- Strict quality and traceability requirements
- Long-term production runs with scheduled volume changes
- Strong focus on cost control and continuous improvement
The trend in automotive has been toward increasingly turn-key relationships as tier-one suppliers take on more design and integration responsibility.
Industrial Equipment
Industrial equipment manufacturers commonly use consignment models for:
- Lower-volume, higher-mix production
- Long lifecycle products with stable bill of materials
- Critical proprietary components
- Established supplier relationships
- Significant in-house engineering capability
However, as contract manufacturers develop more sophisticated capabilities, some industrial equipment segments are transitioning toward turn-key relationships for non-critical assemblies.
Aerospace and Defense
The aerospace and defense sector heavily favors consignment approaches due to:
- Stringent control and traceability requirements
- Highly regulated supply chains
- Specialized component requirements
- Extended product lifecycles
- Significant IP protection concerns
- Government contracting requirements
While some non-critical subsystems may be produced under turn-key arrangements, most aerospace and defense production maintains substantial OEM control through consignment or in-house manufacturing.
Implementation Considerations
Transitioning Between Models
Organizations considering a transition between assembly models should consider:
- Contract restructuring requirements
- Renegotiation of terms with existing partners
- Potential need for new partner selection
- Adjustment of pricing structures and payment terms
- Inventory ownership transfer
- Valuation methodologies
- Physical inventory verification
- Accounting and tax implications
- Cash flow impact during transition
- Systems integration requirements
- ERP system modifications
- Material planning system changes
- Quality system alignment
- New reporting requirements
- Organizational restructuring
- Skills and resource realignment
- Potential headcount changes
- Training requirements
- Performance metric adjustments
- Risk management during transition
- Production continuity plans
- Phased implementation approach
- Parallel systems during transition
- Contingency planning
Hybrid Approaches
Many organizations implement hybrid approaches combining aspects of both models:
Component-Based Hybrids:
- Strategic or proprietary components provided as consignment
- Standard components procured turn-key by CM
- Critical long-lead items managed directly by OEM
- Requires clear delineation of responsibilities
Product-Based Hybrids:
- Different product families using different models
- High-volume standard products using turn-key
- Lower-volume specialized products using consignment
- Allows optimization based on product characteristics
Phase-Based Hybrids:
- New products launched using consignment for greater control
- Mature products transitioned to turn-key for efficiency
- End-of-life products potentially returned to consignment for controlled obsolescence management
- Creates a product lifecycle approach to assembly strategy
Contractual Considerations
Effective implementation requires careful attention to contractual elements:
Contract Element | Consignment Assembly Focus | Turn-Key Assembly Focus |
---|---|---|
Component ownership | Clear title retention provisions | Ownership transfer terms |
Liability allocation | Material loss and damage terms | Comprehensive quality liability |
Inventory management | Min/max inventory requirements | Forecast liability limits |
Obsolescence risk | End-of-life liability limits | Minimum purchase commitments |
Intellectual property | Limited license for assembly | Broader use of design information |
Cost transparency | Open-book material pricing | Value-added percentage or margin caps |
Performance metrics | Assembly quality and efficiency | End-to-end fulfillment performance |
Exit provisions | Return of materials and tooling | Knowledge transfer requirements |
Decision Framework: Selecting the Optimal Model
Key Decision Factors
Organizations evaluating assembly models should consider:
- Strategic control requirements
- How critical is direct control of the supply chain?
- Is component selection a strategic differentiator?
- What level of transparency is required in cost structures?
- Operational capabilities
- Does the organization have strong procurement capabilities?
- What is the sophistication of internal supply chain systems?
- How mature are potential CM partners?
- Financial considerations
- Working capital availability and constraints
- Cash flow sensitivity
- Margin structure and cost visibility requirements
- Accounting treatment preferences
- Risk profile
- Supply chain disruption resilience requirements
- Comfort with dependency on partners
- IP protection sensitivity
- Regulatory and compliance environment
- Market dynamics
- Production volume stability
- Product lifecycle characteristics
- Demand forecasting accuracy
- Component market volatility
Decision Matrix Framework
The following decision matrix provides guidance on model selection based on key organizational characteristics:
Organizational Characteristic | Favors Consignment | Favors Turn-Key |
---|---|---|
Production volume | Lower volume | Higher volume |
Product mix | High mix | Low mix |
Product lifecycle | Longer lifecycle | Shorter lifecycle |
Product maturity | New products | Mature products |
Supply chain control priority | High strategic importance | Lower strategic importance |
Working capital constraints | Lower constraints | Higher constraints |
Internal procurement capability | Strong capabilities | Limited capabilities |
Component specialization | Highly specialized | Standard components |
IP sensitivity | High protection needs | Lower protection needs |
Quality control philosophy | Direct involvement | Delegated responsibility |
Regulatory environment | Highly regulated | Less regulated |
Cost structure visibility | High transparency need | Lower transparency need |
CM relationship maturity | Newer relationships | Established relationships |
Forecast accuracy | Lower accuracy | Higher accuracy |
Implementation Roadmap
Organizations implementing a new assembly model should consider the following structured approach:
- Assessment phase
- Current state analysis
- Strategic alignment evaluation
- Partner capability assessment
- Financial impact modeling
- Risk assessment
- Planning phase
- Model selection and customization
- Contract development
- Systems adaptation planning
- Organizational change management
- Transition approach definition
- Implementation phase
- Contract execution
- Systems integration
- Process development
- Training execution
- Pilot implementation
- Optimization phase
- Performance monitoring
- Process refinement
- Relationship management
- Continuous improvement
- Periodic strategic review
Future Trends and Innovations
Digitalization Impact
Digital transformation is reshaping manufacturing relationships:
Digital Supply Chain Integration:
- Real-time visibility across organizational boundaries
- Blockchain for ownership tracking in consignment
- AI-driven inventory optimization
- IoT for automated consumption tracking
- Predictive analytics for demand forecasting
Digital Manufacturing:
- Cloud-based manufacturing execution systems
- Remote monitoring capabilities
- Digital twins for process optimization
- Augmented reality for quality control
- Automated traceability systems
Evolving Service Models
Traditional assembly models are evolving toward new service paradigms:
- Manufacturing-as-a-Service (MaaS)
- Flexible capacity utilization
- Consumption-based pricing models
- Reduced capital investment requirements
- API-driven manufacturing interfaces
- Blending of consignment and turn-key concepts
- Outcome-Based Manufacturing
- Performance-based contracts
- Shared risk/reward structures
- Focus on product performance rather than ownership
- Lifecycle-oriented relationships
- Total cost of ownership approach
- Distributed Manufacturing Networks
- Geographically dispersed production
- Local-for-local manufacturing
- Resilient multi-source networks
- Dynamic production allocation
- Hybrid ownership models across network
Sustainability Considerations
Environmental and social responsibility is increasingly influencing assembly model selection:
Sustainability Factors in Consignment:
- Direct control of material sources and ethical compliance
- Potentially higher transportation impact from material movements
- Greater visibility of environmental compliance
- Direct responsibility for end-of-life material disposition
- Potential for more effective material pooling across products
Sustainability Factors in Turn-Key:
- Consolidated transportation potentially reducing carbon footprint
- Centralized waste management and recycling
- CM economies of scale in sustainability initiatives
- Potentially reduced visibility into sustainability compliance
- Simplified reporting structure for environmental metrics
Conclusion
The choice between consignment and turn-key assembly represents a strategic decision with far-reaching implications for manufacturing organizations. Rather than a simple outsourcing choice, it fundamentally shapes an organization's operational capabilities, financial structure, risk profile, and competitive positioning.
Organizations should approach this decision with careful consideration of their strategic objectives, core competencies, market position, and organizational capabilities. The optimal model—whether consignment, turn-key, or a customized hybrid approach—should align with both current requirements and long-term strategic direction.
As manufacturing technologies, digital capabilities, and service models continue to evolve, organizations should periodically reassess their assembly strategy. The most successful manufacturing organizations maintain flexibility in their approach, adapting their assembly model to changing business conditions while preserving core competitive advantages.
Ultimately, excellence in execution matters more than the specific model chosen. Organizations that clearly define responsibilities, establish robust processes, build strong partnerships, and maintain rigorous performance management can succeed with either consignment or turn-key approaches.
Frequently Asked Questions
What are the primary financial differences between consignment and turn-key assembly?
Consignment assembly typically involves the OEM purchasing and owning components while paying the contract manufacturer for assembly services only. This increases the OEM's working capital requirements but often provides greater cost transparency and potentially lower component costs. Turn-key assembly involves paying the contract manufacturer for complete products, reducing working capital requirements but potentially increasing unit costs through CM mark-ups. The total cost of ownership calculation must consider inventory carrying costs, administrative overhead, and supply chain management resources in addition to direct material and labor costs.
How does each model impact quality control responsibilities?
In consignment assembly, quality responsibility is split: the OEM is responsible for component quality while the contract manufacturer is responsible for assembly quality. This split creates the need for clear delineation of responsibility and potentially more complex failure analysis processes. In turn-key assembly, the contract manufacturer assumes responsibility for both component and assembly quality, creating clearer accountability but requiring strong CM quality systems and effective OEM oversight of final product quality.
What industries typically favor consignment assembly and why?
Industries that typically favor consignment assembly include medical devices, aerospace and defense, and specialized industrial equipment. These industries often choose consignment due to stringent regulatory requirements, extended product lifecycles, specialized component needs, significant IP concerns, and high-value components. The direct control over components and supply chain often outweighs the increased administrative complexity in these sectors.
When is a hybrid approach preferable to pure consignment or turn-key models?
Hybrid approaches are particularly valuable when an organization has mixed product characteristics or varying strategic priorities across components. Common hybrid scenarios include: providing only strategic or proprietary components as consignment while using turn-key for standard parts; implementing different models for different product families based on volume and criticality; or transitioning products through different models as they mature through their lifecycle from new product introduction to high-volume production to end-of-life support.
How do organizations effectively transition between assembly models?
Transitioning between assembly models requires careful planning and execution. Key considerations include: comprehensive contract restructuring; systematic inventory ownership transfer with proper valuation and verification; systems integration between ERP, MRP, and quality systems; organizational restructuring to align skills and resources; and robust risk management during the transition period. Most successful transitions implement a phased approach with clear milestones, allowing for adjustments based on early experience and minimizing disruption to ongoing production.
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