{HEAD ~ Motor} 16 is connected by {TAIL ~ suitable leads} to batteries 20 which provide the required electrical power for operating the motor 
is connected by
{ HEAD ~ Motor } 16 is connected by { TAIL ~ suitable leads } to batteries 20 which provide the required electrical power for operating the motor
HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH