英文關鍵字
beam
billet
blacksmith
blast
bowl
bright
casting
chute
crane
crucible
cup
down
energy
factory
fire
flame
floor
foundry
furnace
fusible
heat
heavy
industry
ingot
into
iron
liquid
luster
manufacturing
melting
metal
metallurgy
molten
moves
orange
poured
production
profession
red
shop
smoke
sparks
spray
steel
steelworker
stone
technology
temperature
the
workshop