Good point, mbhydro.
During my days with Ford, one of the production crews found that if their machine got jammed up they got a nice (paid) break during the workday while we repaired it. After the machine 'jammed' 3 times in a single shift, I sinisterly arranged to take 3 hours to find someone to go out and fix it. That also meant that they didn't make their quota that day and their foreman got a lecture from management.
Their foreman quickly wised up to their stunts and straightened them out.
End result was that the machine didn't get jammed again for many months.
