means for aiming {HEAD ~ said laser beam} at {TAIL ~ said workpiece} comprising a reflector disposed between said laser and said workpiece 
at
means for aiming { HEAD ~ said laser beam } at { TAIL ~ said workpiece } comprising a reflector disposed between said laser and said workpiece
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH