英文關鍵字
blast
blastfurnace
bright
burning
casting
construction
current
equipment
factory
ferrous
fire
flame
foundry
framework
furnace
glow
hearth
heat
heavy
helmet
high
hot
house
industrial
industry
iron
job
light
liquid
manufacturing
melting
metal
metallurgy
mill
plant
power
process
production
red
refractory
room
shop
smelting
sparkles
sparks
steel
steelmaker
work
worker
workshop