means for moving said carriage in {TAIL ~ the machine direction} in response to movement of {HEAD ~ said strip}, 
means for moving said carriage in { TAIL ~ the machine direction } in response to movement of { HEAD ~ said strip } ,
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH