molten pig iron cascades from open furnaces, illuminated by fiery sparks in an energetic steel mill setting

infrastructure transformation manufacturing craftsmanship temperatures metalworking illuminated industrial metallurgy processing production operations energetic machinery equipment landscape operation materials cascades furnaces overhead smelting industry material handling setting furnace foundry glowing intense heating pouring molten sparks flames bright orange worker safety energy fiery steel crane ladle metal heavy iron open mill vats high heat pig hot