{HEAD ~ The internal combustion engine} includes {TAIL ~ an engine preheating apparatus} for preheating the internal combustion engine upon or before starting thereof 
includes
{ HEAD ~ The internal combustion engine } includes { TAIL ~ an engine preheating apparatus } for preheating the internal combustion engine upon or before starting thereof
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH