Continuous Improvement of Quality 497
by a practice, call it a culture, where any member of the production team
would stop a production process if he/she sees the process producing defec-
tive units� This practice, called Jidoka, ensures delivery of 100% quality prod-
ucts to the customer and is considered (Wilson 2001) one of the pillars of the
Toyota Production System�
8.4.2 Quantity Control
Quantity control refers to producing only the amount of product the cus-
tomer has requested, not more, not less� This type of “lean” production is
in contrast to producing large quantities of products and stocking them in
inventory in anticipation of customer demand� Such storage of products in
inventory results in losses which include cost of space and ...