view into a crucible of molten metal.

accident blast blazing blowing bronze burn burnt business cauldron coals color combustion craft craftsmanship crucible danger dangerous economy employment extreme factories factory fire flame forge foundry furnace gear gloves glow glowing hammer harm health heat heavy horizontal hot industrial industry inferno intense job kiln labour light liquid manufactured manufacturing melt melted melting metal molten open orange pot radiate red roast roasting safety scorch sizzle sizzling temperature trade union unsafe view work works