Housing 32 is carried by {TAIL ~ mounting plates} 14A, which are considered for practical purposes to be part of {HEAD ~ frame} 14 
Housing 32 is carried by { TAIL ~ mounting plates } 14A , which are considered for practical purposes to be part of { HEAD ~ frame } 14
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH