{HEAD ~ Electrical power generating arrangement} with {TAIL ~ computer control} for varying engine speed as a function of load demand 
with
{ HEAD ~ Electrical power generating arrangement } with { TAIL ~ computer control } for varying engine speed as a function of load demand
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH