英文關鍵字
beam
billet
blacksmith
blast
bowl
bright
casting
chains
crane
crucible
drips
energy
engineering
factory
fire
flame
foundry
furnace
fusible
hang
heat
heavy
industry
ingot
iron
liquid
luster
machine
manufacturing
mechanical
melting
melts
metal
metallurgy
metalworking
molten
moving
orange
production
profession
red
shop
smoke
sparks
spray
steel
steelworker
stone
technology
temperature
workshop