A vehicle has {TAIL ~ an engine}, an accelerator for controlling the rotary speed of the engine, an axle and a multi speed transmission for transmitting power from {HEAD ~ the engine} to the axle 
A vehicle has { TAIL ~ an engine } , an accelerator for controlling the rotary speed of the engine , an axle and a multi speed transmission for transmitting power from { HEAD ~ the engine } to the axle
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH