
LeveLIng and heIjunka 51
Because we will not be producing the average product mix in any period, we are
vulnerable to the swings in work content caused by the various product mixes that are
needed. Varying work content simply means that it takes a different amount of labor
to make different parts in the value stream. In other words, we may have “floating
bottlenecks” in the shop. is means that it is not sufficient to simply level the work at
the pacemaker, but we also need to check to make sure that all of the other resources
can produce the parts necessary to make the product mix. is requires a bit more
sophistication in the capacity plann