cooking coal plant, coke oven plant, iron steel making, coal processig into coke, blast furnace raw material, raw material for steel making, iron ore, lime, coke, sinter product, enter blast furnace, hot metal, pig iron, slag, dark yellow clouds, ma

Stock photo: cooking coal plant, coke oven plant, iron steel making, coal processig into coke, blast furnace raw material, raw material for steel making, iron ore, lime, coke, sinter product, enter blast furnace, hot metal, pig iron, slag, dark yellow clouds, ma was taken by hiraarge .