The course modulates with perfection an idea towards learning of Muda, Mura, Muri - Toyota 3M Model (Improve Quality, Safety & Efficiency).  It depicts the initiatives which was developed by Toyota for its production system around eliminating three enemies of Lean: Muda (waste), Muri (overburden) and Mura (unevenness) (Liker, 2004). It actively defines that when your workplace is cluttered, processes aren't as efficient as they could be.