{HEAD ~ The hydrogen} is then fed directly through {TAIL ~ conduit} 16 into the fuel intake system of the engine where it is ignited to produce energy in driving the internal components of the engine 
is fed directly through
{ HEAD ~ The hydrogen } is then fed directly through { TAIL ~ conduit } 16 into the fuel intake system of the engine where it is ignited to produce energy in driving the internal components of the engine
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL REL 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 OTH