Basics of JIT: The Toyota Production System ◾ 21
In this system, production instructions, electronic signboards, and radio-
frequency identication tags (IC tags) are used to detect the types of work pieces.
en it lights up the assembly parts shelf that corresponds to the intended work
pieces and uses sensors and visualization equipment to match the work operation
with the proper work pieces (Amasaka and Kamio, 1985).
e third example is the identication of work-piece types using this IT. Until
now, the parts unit signboards were visually conrmed, and the unit numbers were
written down manually, but this repeatedly resulted in human errors such as mis-
identication or mistaken descriptions.
After the process improvement was carried out, a ba ...