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