The total number of {TAIL ~ prefabricated braces} and posts used in {HEAD ~ the configuration} depends on the size of the channel, the flow modification desired, and other considerations 
The total number of { TAIL ~ prefabricated braces } and posts used in { HEAD ~ the configuration } depends on the size of the channel , the flow modification desired , and other considerations
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH