The mutually oblique boundary walls of the slot 36 on one hand and on the other hand {HEAD ~ the converging walls} of {TAIL ~ the cog} 37 ensure proper operational alignment of the two tightening device components 34 and 35 and hence assembly errors shall be avoided 
of
The mutually oblique boundary walls of the slot 36 on one hand and on the other hand { HEAD ~ the converging walls } of { TAIL ~ the cog } 37 ensure proper operational alignment of the two tightening device components 34 and 35 and hence assembly errors shall be avoided
OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH