英文關鍵字
action
blast
bright
burn
burningout
cast
casting
crucible
department
equipment
factory
flame
flow
founding
foundry
furnace
glow
hearth
heat
heavy
hot
industrial
industry
intense
interior
iron
liquid
manufacture
melting
metal
metallurgical
metallurgy
mill
molten
openhearth
orange
plant
pour
pouring
red
release
smelting
steam
steel
steelworks
stream
technology
unit
work
workshop