المعادن والحديد والصلب والألمنيوم والنحاس
Foundry, Metalworking, Casting, Forge, Furnace, Molding, Melting, Alloy, Sand casting, Smelting, Metallurgy, Foundry equipment, Foundry industry, Foundry process, Foundry materials, Foundry technology, Foundry machinery, Investment casting