molten metal cascades from massive ladles into large round moulds while sparks illuminate the hot-rolling shop

manufacturing craftsmanship metalworking steelmaking environment engineering artisanship illuminate hotrolling metallurgy production industrial ironworks machinery processes materials equipment cascades workshop industry overflow massive casting rolling foundry process glowing furnace pouring texture molten ladles moulds sparks bright orange safety flying metal large round steel heavy mould labor shop iron heat line glow flow high hot raw