Kaizen is a philosophy of Japanese origin that literally means "change for the better". In the industrial context, it is a systematic approach to continuous improvement, involving all employees — from the operator to the engineer — to eliminate waste, improve processes, and enhance quality. In the industrial testing environment,
Lean Manufacturing, or simply Lean, is an industrial management philosophy focused on eliminating waste, increasing efficiency, and creating customer value with the least possible consumption of resources. Originating from the Toyota production system, Lean is now widely used in factories, laboratories, maintenance sectors, quality, development, and even in offices —