Lean
5S Workplace Organization
5S creates an organized, visible and repeatable workplace that makes abnormalities easier to detect and work easier to perform.
5SVisual ManagementStandard Work
Knowledge hub
Lean
Create value with less waste through flow, pull, takt, Standard Work, 5S, visual systems, SMED, VSM, Kanban and mistake-proofing.
Guides in this hub.
Start with the fundamentals, then follow the related methods as the knowledge base grows.
Lean
8 Wastes of Lean: Find Work That Adds No Customer Value
Learn the eight Lean wastes and how to recognize activities that consume time, motion, materials, capacity, or effort without creating customer value.
WasteTIMWOODSProcess Improvement
Lean
Cellular Manufacturing: Organize Work Around Product Flow
Learn how Cellular Manufacturing arranges people and equipment around product families to reduce travel, WIP, handoffs, and lead time.
Cellular ManufacturingLeanFlowLayout
Lean
Changeover Readiness: Prepare Before the Last Good Part
Learn how Changeover Readiness moves tools, materials, information, approvals, and setup preparation outside machine downtime so changeovers start ready and finish faster.
Changeover ReadinessLeanSMEDSetup
Lean
CONWIP: Control Total Work in Process Across a Flow
Learn how CONWIP controls total work in process across a production flow using circulating authorization cards rather than a separate Kanban loop at every process.
CONWIPLeanPull SystemWork in Process
Lean
ECRS: Eliminate, Combine, Rearrange, and Simplify Work
Learn how ECRS uses four practical questions to challenge process steps and improve flow, motion, handling, and work design.
ECRSLeanWork SimplificationWaste Reduction
Lean
FIFO Lane: Control Sequence and WIP Between Processes
Learn how a FIFO lane preserves processing sequence and limits work-in-process between operations that cannot be directly connected by continuous flow.
FIFOWork in ProcessFlowLean
Lean
Flow Efficiency: Measure How Much Lead Time Adds Value
Learn how Flow Efficiency compares value-adding time with total lead time to expose waiting, queues, and delays inside a process.
Flow EfficiencyLeanLead TimeWaiting
Lean
Flow Interruption Analysis: Find What Repeatedly Breaks Flow
Learn how Flow Interruption Analysis identifies where and why work stops, waits, backs up, or detours so teams can improve flow stability rather than only average cycle time.
Flow Interruption AnalysisLeanFlowWaiting
Lean
Genchi Genbutsu: Go and See the Actual Condition
Learn how Genchi Genbutsu builds better decisions by going to the actual place, observing the real process, and separating facts from assumptions.
Genchi GenbutsuLeanGembaProblem Solving
Lean
Heijunka: Level Production to Reduce Instability
Learn how Heijunka levels production volume and mix to reduce unevenness, overburden, and instability while supporting a more predictable flow system.
HeijunkaProduction LevelingLeanFlow
Lean
Jidoka: Build Quality Into the Process
Learn how Jidoka detects abnormalities, stops defects from flowing forward, and turns problems into opportunities for permanent process improvement.
JidokaBuilt-in QualityAndonToyota Production System
Lean
Just-in-Time: Produce What Is Needed, When Needed
Understand the operating logic behind Just-in-Time, including flow, takt, pull, small lots, reliable processes, and the conditions required for JIT to work.
Just-in-TimeFlowPullTakt Time
Lean
Kanban: Control Replenishment With Pull Signals
Learn how Kanban supports pull production, how cards or electronic signals control replenishment, and what conditions are needed for a stable system.
KanbanPull SystemReplenishmentInventory
Lean
Kanban Sizing: Set Replenishment Quantity from Real Conditions
Learn how Kanban Sizing uses demand, replenishment lead time, container quantity, and controlled safety allowance to set a practical number of Kanban.
Kanban SizingLeanPull SystemInventory
Lean
Lean & TPS Tools: 15 Principles That Work as a System
Explore 15 essential Lean and Toyota Production System tools and principles, and learn how they work together to improve flow, quality, reliability, and customer response.
LeanToyota Production SystemTPSContinuous Improvement
Lean
Mizusumashi (Water Spider): Support Stable Material Flow
Learn how a Mizusumashi or Water Spider supplies material, removes empties, handles signals, and supports operators through a standardized replenishment route.
MizusumashiWater SpiderLeanMaterial Flow
Lean
Muda, Mura, and Muri: Waste, Unevenness, Overburden
Understand the relationship between Muda, Mura, and Muri and why Lean improvement should address waste, unevenness, and overburden as one connected system.
MudaMuraMuriWaste Reduction
Lean
One-Piece Flow: Move Work One Unit at a Time
Understand one-piece flow, why smaller transfer batches reduce delay and inventory, where continuous flow works well, and what conditions are needed.
One-Piece FlowContinuous FlowLeanWork in Process
Lean
Pacemaker Process: Set the Rhythm for Lean Production
Learn how the pacemaker process provides the scheduling point that sets production rhythm and connects downstream demand with upstream replenishment.
Pacemaker ProcessLeanProduction ControlPull
Lean
Point-of-Use Storage: Put Tools and Materials Where Needed
Learn how Point-of-Use Storage positions frequently used tools, materials, and information close to the work while controlling quantity, replenishment, and visual order.
Point-of-Use StorageLean5SMaterial Flow
Lean
Poka-Yoke: Prevent Errors Before They Become Defects
Learn how Poka-Yoke mistake-proofing prevents or detects errors at the source, when to use it, and how to avoid weak controls that rely on attention.
Poka-YokeMistake ProofingQualityError Prevention
Lean
Pull System: Replenish From Real Demand
Learn how pull systems limit overproduction by connecting replenishment to actual downstream consumption instead of forecast-driven release.
Pull SystemKanbanFlowWork in Process
Lean
SMED: Reduce Changeover Time Systematically
Understand SMED, the difference between internal and external setup work, how to reduce changeover time, and why faster setups improve flexibility.
SMEDChangeoverSetup ReductionFlexibility
Lean
Spaghetti Diagram: Make Unnecessary Movement Visible
Learn how a Spaghetti Diagram traces actual movement through a workplace to expose excess travel, poor layout, and wasted motion.
Spaghetti DiagramMotion WasteLayoutLean
Lean
Standard Work: Stabilize the Best-Known Method
Standard Work defines the current best-known method for performing a process safely, consistently, and efficiently while creating a baseline for improvement.
Standard WorkTakt TimeWork Sequence
Lean
Standard Work Abnormality Response: What to Do When Work Breaks
Learn how Standard Work Abnormality Response defines detection, safe stop, containment, escalation, recovery, and restart when the normal work sequence cannot continue as designed.
Standard Work Abnormality ResponseLeanStandard WorkAbnormality
Lean
Standard Work Change Control: Improve the Method with Control
Learn how Standard Work Change Control evaluates, approves, updates, communicates, and verifies changes to the defined work method while preventing informal drift.
Standard Work Change ControlLeanStandard WorkChange Control
Lean
Standard Work Combination Table: See Manual, Machine, and Walk Time
Learn how the Standard Work Combination Table visualizes manual work, machine time, and walking to support balanced and repeatable work design.
Standard Work Combination TableStandard WorkTakt TimeLean
Lean
Standard Work Deviation Log: Learn From Repeated Departures
Learn how a Standard Work Deviation Log records meaningful departures from the approved method so teams can distinguish one-time abnormalities from recurring barriers.
Standard Work Deviation LogLeanStandard WorkDeviation
Lean
Standard Work Documentation: Make the Best-Known Method Usable
Learn how Standard Work Documentation turns the best-known method into clear, visual, controlled instructions that support repeatability, training, and improvement.
Standard Work DocumentationLeanStandard WorkTraining
Lean
Standard Work Observation: Compare Defined and Actual Work
Learn how Standard Work Observation compares the defined method with actual work at the Gemba to identify barriers, drift, training needs, and improvement opportunities.
Standard Work ObservationLeanStandard WorkGemba
Lean
Standard Work Rebalancing: Redistribute Work Without Losing Control
Learn how Standard Work Rebalancing redistributes task content when demand, staffing, layout, or process conditions change while preserving safety and quality.
Standard Work RebalancingLeanStandard WorkLine Balancing
Lean
Standard Work Release Readiness: Check Before a New Method Goes Live
Learn how Standard Work Release Readiness checks documentation, training, tools, controls, abnormal response, ownership, and verification before a new method goes live.
Standard Work Release ReadinessLeanStandard WorkChange Control
Lean
Standard Work Sequence Verification: Confirm the Order Still Works
Learn how Standard Work Sequence Verification checks whether the defined task order is followed, practical, safe, quality-protective, and effective under real conditions.
Standard Work Sequence VerificationLeanStandard WorkSequence
Lean
Standard Work Stability Review: Is the Method Stable Enough?
Learn how a Standard Work Stability Review checks sequence, timing variation, abnormality frequency, material conditions, equipment reliability, and change discipline.
Standard Work Stability ReviewLeanStandard WorkStability
Lean
Standard Work Training Verification: Confirm People Can Perform
Learn how Standard Work Training Verification checks whether employees can perform the defined method safely, correctly, consistently, and independently after instruction.
Standard Work Training VerificationLeanStandard WorkTraining
Lean
Supermarket Pull System: Control Inventory and Replenishment
Learn how a Lean supermarket stores controlled inventory and triggers replenishment based on downstream consumption.
SupermarketPull SystemKanbanInventory
Lean
Value Stream Mapping: See the End-to-End Flow
Understand Value Stream Mapping, what information belongs on a current-state map, how to design a future state, and the mistakes that reduce its value.
Value Stream MappingLeanFlowLead Time
Lean
What Is Lean?
Lean is a management system for creating more customer value with less waste by improving flow, exposing problems and developing people.
WasteFlowPullStandard Work
Lean
Work in Process (WIP): Control Work Inside the System
Learn how Work in Process measures unfinished work inside a process and why controlling WIP improves lead time, visibility, flow, and problem detection.
Work in ProcessWIPLeanFlow