🔸🟡 smelting furnace 🔸🟡 bush or ground furnace 🔸 🔸🟡 Rabbadeh or radiation 🔸🟡 Copolum furnace 🔸 ین Siemens Martin's furnace 🔸 🟡 🟡 🟡 🟡 🟡 🟡 🟡 🟡/H2> uction induced furnace 5 molten bush 🔸 ی Moltenant patee 🔸 🟡 🟡 🟡 🟡/h2> mold
