英文關鍵字
action
blast
blastfurnace
bright
burningout
cast
casting
container
factory
fiery
flame
flow
foundry
furnace
glow
glowing
heat
heavy
hot
house
industrial
industry
iron
ironworks
ladle
liquid
manufacture
melting
metal
metallurgical
metallurgy
mill
molten
openhearth
plant
pour
pouring
railroad
railway
red
release
smelting
steam
steel
steelworks
stream
technology
unit
work