refractories for iron-and steel-making processes, namely blocks and linings for hearth, bosh and wall of a blast furnace; iron launders and skimmers, i;e;, blast furnace troughs; blast tuyere rings; lining materials for a Torpedo car, i;e;, a car for transporting hot metal; iron ladle linings; linings, taphole sleeves, and multi-hole plugs for bottom blowing, for a basic oxygen furnace (BOF); roof blocks, linings, bottom blowing plug, and spouts, for an electric arc furncace; linings for secondary steel making (i;e;, AOD, VOD, LF, RH, DH and ASEA-SKF); steel teeming ladles; injection lances; porous plugs; covers, dams and linings for a tundish; rotary nozzles and sliding nozzles for steel flow control systems ; stoppers for continuous casting; ladle shroud and submerged entry nozzles for continuous casting; break rings for horizontial continuous casting; equipment for reheating furnaces; soaking pit linings; unshaped refractories, i;e;, castable materials, ramming materials, gunning materials, mortars, fillers and [ lagging materials ] ; and preheaters and temperature controllers; refractories for ferrous and non-ferrous casting systems, namely crucibles and accessories thereof; cupola components; thermocouple sheaths; [ stalks; ] and immersion heater tubes; refractories for equipment for manufacturing cement, namely (1) rotary kiln linings; and (2) equipment for a rotary kiln; refractories for incinerators; and bricks, raw materials for making bricks, cement, clinkers and nonmetallic tiles