By the 1990s, the term Lean Manufacturing was being used to describe TPS. Lean manufacturing combines the best elements of craftwork and mass production. It uses less labour, less machinery, less space and less time. The aim of lean manufacturing is to eliminate all defects. If something goes wrong a worker can stop the whole production line and deal with the problem immediately. If the worker didn't make this decision, production could carry on producing faulty or incorrect parts.