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