In operation, {HEAD ~ a workpiece} is placed between {TAIL ~ the base} and the platen, and a force is applied to the workpiece by operation of the bellows 
is placed between
In operation , { HEAD ~ a workpiece } is placed between { TAIL ~ the base } and the platen , and a force is applied to the workpiece by operation of the bellows
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH