Eliminate Waste Anything other than the minimum amount of plant, equipment, materials and workers which are absolutely essential to the production process. Overproduction is the greatest waste because excess inventory must be stored and we have used raw materials that could be better used in products that have higher demand. Accounts view inventory as an asset. Manufacturing should view inventory as a liability. When producing goods only when needed, and using goods with minimal inspection, any production problems become everyone's problem.
Quality control is each employee's responsibility.
Source of quality is at the operation level, anyone who adds value to the product. The way to reduce defects is to re-engineer the process Every Employee should learn Statistical Process Control techniques as a tool to determine whether their mistakes are process oriented or just random variations. A brute force way to be sure that problems are fixed. Output will be reduced initially. New Definition of a Customer - Each operator must regard the next operation as the customer.