[ad_1]
Inside the gloom of the vast Zaporizhstal steel plant, a towering blast furnace wheezes like a giant black lung, inhaling chunks of iron ore, thermal coal and limestone, blending them at temperatures reaching several thousand degrees with oxygen-enriched air, and then exhaling vapor and molten metal.
Lava-like liquid oozes from the base of the furnace as soot-coated men in hooded reflective…
[ad_2]
