The movement of the strip of fasteners along the guide is caused by advancing elements engaging the side surfaces of the strip of fasteners, and {HEAD ~ the advancing elements} are pulled toward the drive element on each cycle of operation of the drive element of {TAIL ~ the fastening machine} 
The movement of the strip of fasteners along the guide is caused by advancing elements engaging the side surfaces of the strip of fasteners , and { HEAD ~ the advancing elements } are pulled toward the drive element on each cycle of operation of the drive element of { TAIL ~ the fastening machine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL