Which element of waste best describes "the unnecessary movement of materials and/or goods"?

Question

Options

• AOverprocessing
• BMotion
• CConveyance
• DCorrection

• A
  3% (1)
• B
  3% (1)
• C
  83% (25)
• D
  10% (3)

Explanation

Conveyance refers specifically to the unnecessary movement of materials and/or goods - think of it as transport waste. If products are being moved between locations more than necessary (e.g., from warehouse to floor to storage again), that movement adds no value and is conveyance waste.

Motion (B) is the wrong choice because it refers to the unnecessary movement of people (workers walking, bending, reaching) - not materials. The distinction is human movement vs. material movement.

Overprocessing (A) is wrong because it describes doing more work or using more resources than the customer actually requires - e.g., applying five coats of paint when two suffice.

Correction (D) is wrong because it covers the waste of fixing defects - inspecting, reworking, or scrapping products that didn't meet quality standards.

Memory tip: Link Conveyance to Cargo - cargo (materials/goods) is what gets conveyed. If you can picture a forklift or truck moving boxes unnecessarily around a factory, that's conveyance waste. Reserve "Motion" for people moving their bodies unnecessarily.

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