The provision of independent input, {HEAD ~ transport}, and output drives enables accumulating {TAIL ~ apparatus} 10 to be matched with any upstream and downstream devices 
The provision of independent input , { HEAD ~ transport } , and output drives enables accumulating { TAIL ~ apparatus } 10 to be matched with any upstream and downstream devices
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH