機器
alloy
billet
billets
blast
casting
conveyor
equipment
factory
fire
flame
forging
foundry
furnace
heat
heavy
high temperature
hot
industrial
industry
ingot
iron
line
machinery
manufacture
manufacturing
material
melt
melting
metal
metallurgical
metallurgy
mill
molten
orange
plant
process
production
profile
red
rolled
rollers
rolling
slab
smelting
spark
steel
stove
workshop