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