The arrangement is very secure because the clips 18 and screws 24 are present at every corrugated zone across {HEAD ~ the full width} of {TAIL ~ the end wall} 12 
of
The arrangement is very secure because the clips 18 and screws 24 are present at every corrugated zone across { HEAD ~ the full width } of { TAIL ~ the end wall } 12
OTH OTH 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 TAIL OTH