{HEAD ~ A mandrel} 76 disposed internally of the cam member 24 reciprocates into {TAIL ~ the tube} 20 to prevent the tube from deforming during the cutting operation 
reciprocates into
{ HEAD ~ A mandrel } 76 disposed internally of the cam member 24 reciprocates into { TAIL ~ the tube } 20 to prevent the tube from deforming during the cutting operation
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH