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