One of the principal goals of theÂ Toyota Production System (TPS)Â is to identify steps that add value (and those which do not) and then design out waste.
Muda is one of the three types of waste (the other two being muri and mura) and the one that has been given the most attention since the TPS has been widely studied. Of this type of waste,Â Taiichi Ohno further identified the seven wastes:
While reading this I also came acrossÂ Mottainai â€” a Japanese term meaning “a sense of regret concerning waste when the intrinsic value of an object or resource is not properly utilized”. I like that.