Typically, the roving is connected to a first structural component by threading the roving through {HEAD ~ a borehole} drilled through the component and backfilling the borehole with epoxy, polyurethane, or {TAIL ~ grout} 
Typically , the roving is connected to a first structural component by threading the roving through { HEAD ~ a borehole } drilled through the component and backfilling the borehole with epoxy , polyurethane , or { TAIL ~ grout }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL