그만큼 도요타 생산 시스템 is founded on the complete elimination of waste, categorized into 7 types, 3 main being described here: 무다 (부가가치가 없는 작업) 무리 (과부하) 무라 (unevenness). While Muda is the most commonly discussed, 티피스 recognizes that Muri and Mura are often the root causes of Muda and must be addressed first to achieve a truly lean system.





