One feature of the system illustrated is that power generator 26 is utilized to supply {TAIL ~ a certain quantity} of power, while second power generator 28 supplies {HEAD ~ another quantity} 
One feature of the system illustrated is that power generator 26 is utilized to supply { TAIL ~ a certain quantity } of power , while second power generator 28 supplies { HEAD ~ another quantity }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD