It is an object of {HEAD ~ this invention} to provide {TAIL ~ a throttle valve control system} which overcomes the foregoing deficiencies 
to provide
It is an object of { HEAD ~ this invention } to provide { TAIL ~ a throttle valve control system } which overcomes the foregoing deficiencies
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH