The remainder of the gathered wind energy is used to drive {HEAD ~ a pair} of on {TAIL ~ board electrical power generators} , and anchoring tethers carry electrical current to a land of offshore site 
of on
The remainder of the gathered wind energy is used to drive { HEAD ~ a pair } of on { TAIL ~ board electrical power generators } , and anchoring tethers carry electrical current to a land of offshore site
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH