The invention does not preclude the possibility of multiple fold margins, although in many instances these will not give {HEAD ~ any advantage} that compensates for {TAIL ~ the increased production effort} 
compensates for
The invention does not preclude the possibility of multiple fold margins , although in many instances these will not give { HEAD ~ any advantage } that compensates for { TAIL ~ the increased production effort }
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 OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL