In {HEAD ~ addition}, the energy requirement is lower than that provided in {TAIL ~ the previously known method} commonly used in the industry 
In { HEAD ~ addition } , the energy requirement is lower than that provided in { TAIL ~ the previously known method } commonly used in the industry
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH