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