As a result, {TAIL ~ the manufacturing process} of {HEAD ~ the handle unit} is shortened so that the manufacturing cost is decreased 
As a result , { TAIL ~ the manufacturing process } of { HEAD ~ the handle unit } is shortened so that the manufacturing cost is decreased
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH