Which of the following is NOT one of the principles for standard work practice at? Toyota? Part 2 

A. Work is completely specified as to? content, sequence,? timing, and outcome. 

B. Improvements in the system must be made in accordance with the? "scientific method," atthe highest possible level in the organization. 

C. Internal and external? customer-supplier connections are? direct, specifying personnel, methods,? timing, and quantity. 

D. Material and serviceflows are to be simple and direct.