In 'lean' or 'high-volume' environments, what dictates the physical difficulty of the job?

Answer

The fixed cycle time leaving no room for recovery between repetitions

In high-volume environments, the pace is relentless because a Production Worker on a fast-moving line has a fixed cycle time to complete their task, which leaves no room for physical recovery between repetitions.

In 'lean' or 'high-volume' environments, what dictates the physical difficulty of the job?
jobcareerManufacturingdemandphysical