{HEAD ~ An agglomeration matrix} may be positioned against the prefabricated brace for supporting and accumulating materials which amplify the flow modification effect of {TAIL ~ the prefabricated brace} and matrix 
{ HEAD ~ An agglomeration matrix } may be positioned against the prefabricated brace for supporting and accumulating materials which amplify the flow modification effect of { TAIL ~ the prefabricated brace } and matrix
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH