This results in {HEAD ~ reduction} of unacceptable sheet products and {TAIL ~ economy} of a driving power expense 
of
This results in { HEAD ~ reduction } of unacceptable sheet products and { TAIL ~ economy } of a driving power expense
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH