金属産業
blast furnace
bright
cast iron
casting
cup
discharge
dump
factory
fire
flaming
flow
flowing
flux
heat
heavy
hell
high temperature
hot
industrial
iron foundry
lava
liquid slag
manufacturing
melt
metal
metallurgical
molten slag
orange
ores
plum
production
railway platform
slag heap
slag stream
smelting
steel
steel mill
steelmaking
sulfur
temperature
vat