In addition, since {HEAD ~ the line} is commanded from one point, distantly located motors and {TAIL ~ electrical cables} are not required 
is commanded from
In addition , since { HEAD ~ the line } is commanded from one point , distantly located motors and { TAIL ~ electrical cables } are not required
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH