The 7 Wastes of Lean (TIMWOOD) Explained

Transportation

• Movement, Frequency, Distance of Travel

Inventory

• Raw, WIP, Components, Finished Product Not Being Used

Motion

• Unnecessary Movement (People & Equipment)

Waiting

• Idle or Waiting to Perform Next Process Step

Overproduction

• Producing Ahead of Demand

Over Processing

• Additional Process Step(s) Due to Inefficient Process

Defects

• Rework Due to Process, Product Defect