{HEAD ~ The pivot shaft} is moved horizontally by a threaded adjusting screw toward and away from a vacuum chuck in a silk screen printing machine to compensate for {TAIL ~ changes} to the length of the workpiece to be carried by the vacuum chuck 
{ HEAD ~ The pivot shaft } is moved horizontally by a threaded adjusting screw toward and away from a vacuum chuck in a silk screen printing machine to compensate for { TAIL ~ changes } to the length of the workpiece to be carried by the vacuum chuck
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH