burning
cast
casting
closeup
colors light
copper
equipment
europe
factory
flame
flames
foundry
furnace
heat
horizontal
hot
industrial
industry
inside
internal
iron
melt
melting
melting pot
metal
metallurgical
metallurgy
mining
mold
molding
molten
moulten
no people
nose
orange
photos
plant
pour
pouring
slag
smoke
steel
usa
wastage
work
working
定額
View of the big induction furnace and melting pot in foundry for smelting. The ores of base metals are often sulfides. In recent centuries, reverberatory furnaces have been used.の素材 [FY310199552606]
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