Most Business Processes Are 90% Waste and 10% Value-Added Work

every Toyota team member goes through a basic set of development steps at each stage of her development, following the process of basic learning by copying exactly (shu), mastering the basics so that they become second nature (ha), and becoming so masterful at the basics that she can go beyond these and improvise (ri).

Every team member has the responsibility to stop the line every time they see something that is out of standard. That's how we put the responsibility for quality in the hands of our team members.