Quality assurance is a system that aims to achieve or improve quality by organising every process to get the product right first time and prevent mistakes ever happening
Assurance
emphasis on employees throughout the production process
less waste as faults are picked up sooner
Total Quality Management
everybody in the business is responsible for their own quality
when they pass work along, it has to be of a standard expected by a customer, before the next person begins their part
it's about being right first time
Kaizen
introducing small, incrementalchanges, consistently to the production process
this way, you can identify the individual aspects that help improve efficiency