The Seven Wastes

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.

 

 

 

 

Step 1. Discover Waste Symptom

Step 2. Understand Why it is there (5 Whys + FOG)

Step 3. Improve Flow (solve and implement countermeasures)

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