Waste Symptom

Observed

Overproduction – early or extra production of materials, and producing unordered goods.

Waiting – idle time waiting on machine, materials or people.

Transportation – handling more than once, delays in moving materials, unnecessary moving or handling.

Inventory - unnecessary raw materials in stores, work in process (WIP), and finished stocks.

Motion – extra unnecessary movement of equipment or people.

Over-processing – unnecessary processing or procedures.

Defects – producing and reworking, or scrap.