Single step processes are effective and efficient, reducing {HEAD ~ the time} and cost of {TAIL ~ a two step process} 
of
Single step processes are effective and efficient , reducing { HEAD ~ the time } and cost of { TAIL ~ a two step process }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL