Motion or Movement
Transport
Waste from moving products and different processes.
Any waiting or non-value addition to the product.
Excess function(s) which is not in-sync or related with the actual layout.
Waiting
Motion or Movement
Defects
Caused by inefficiency and other problems. Can be fixed by Lean principles and methodologies.
Over-Production
Inventory
Extra Processing
Although it is considered good, it is a huge waste.
Caused by waste, overproduction, and waiting.
Waste by using high-precision machinery when simpler one would be more beneficial.