engine condition sensing means provided in said internal combustion engine for detecting {HEAD ~ the operating conditions} of {TAIL ~ said engine} 
of
engine condition sensing means provided in said internal combustion engine for detecting { HEAD ~ the operating conditions } of { TAIL ~ said engine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL