32 ◾ Lean Production Simplified, Third Edition
Conveyance
Conveyance waste includes the large-scale waste caused by inefficient work-
place layout, overly large equipment, or traditional batch production. Such
waste occurs, for example, when large batches must be moved from process
to process. Making smaller batch sizes and moving processes closer together
can reduce conveyance muda.
There is also a microcomponent related to work pieces being carried
within a process area either by conveyor or by workers. Conveyance, delay,
and motion wastes are closely related. Conveyance is necessary muda: obvi-
ously materials must be moved through the factory, but it must be minimized.
Correction
The muda of correction is related to making and having to fix d ...