{TAIL ~ Power generator} 26 and {HEAD ~ second power generator} 28 may provide equal power or may provide different power amounts  
{ TAIL ~ Power generator } 26 and { HEAD ~ second power generator } 28 may provide equal power or may provide different power amounts
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH