AE

reinforcing steel, metal manhole covers, metal bolts, metal capscrews, cast iron covers and frames, metal lids, and metal doors

concrete meter, concrete pull boxes, concrete valve chambers, and concrete oil interceptors used by the communications, electrical, water and sanitary utilities industry to permit installation and repair of wires, cables and pipes, CATV pads, concrete street light bases, inlet and outfall headwalls, kiosk pads, concrete drain boxes, concrete utility vaults, retaining wall panels, bench ends, non-metal window sills, non metal lintels, concrete post caps, switchgear pads, concrete utility buildings, concrete parking curbs, concrete highway median barriers, prestressed concrete panels and precast building foundations