{TAIL ~ throttle valve opening sensing means} connected to {HEAD ~ said throttle valve} for generating an electrical signal corresponding to the opening of said throttle valve 
{ TAIL ~ throttle valve opening sensing means } connected to { HEAD ~ said throttle valve } for generating an electrical signal corresponding to the opening of said throttle valve
TAIL TAIL TAIL 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 OTH