{HEAD ~ The drive mechanism} of the apparatus moves {TAIL ~ the drive shaft} 22 to begin moving the cam member 24 toward the tube 20 
moves
{ HEAD ~ The drive mechanism } of the apparatus moves { TAIL ~ the drive shaft } 22 to begin moving the cam member 24 toward the tube 20
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH