The frame 20 is provided with a pair of transverse flanges 51 which are adapted to overlie a pair of {HEAD ~ flanges} 52 which project from {TAIL ~ the plate} 48 
project from
The frame 20 is provided with a pair of transverse flanges 51 which are adapted to overlie a pair of { HEAD ~ flanges } 52 which project from { TAIL ~ the plate } 48
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH