The channel sections can be nested for {TAIL ~ ease} of transport and {HEAD ~ storage} and can be easily assembled on site 
The channel sections can be nested for { TAIL ~ ease } of transport and { HEAD ~ storage } and can be easily assembled on site
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH