{TAIL ~ An engine assembly} may include {HEAD ~ an engine structure} and a camshaft supported on the engine structure 
{ TAIL ~ An engine assembly } may include { HEAD ~ an engine structure } and a camshaft supported on the engine structure
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH