In one embodiment, and by way of example only, {HEAD ~ a generator} includes {TAIL ~ a stator} and a rotor 
includes
In one embodiment , and by way of example only , { HEAD ~ a generator } includes { TAIL ~ a stator } and a rotor
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH