英文關鍵字
blast
bright
casting
create
crucible
equipment
factory
flame
flow
founding
foundry
framework
furnace
glow
glowing
heat
heavy
hot
industrial
industry
iron
ironworks
ladle
liquid
manufacture
melting
metal
metallurgical
metallurgy
mill
mold
molten
open
openhearth
orange
plant
pour
pouring
red
shop
slag
smelting
sparks
steel
steelworks
tank
technology
unit
work
workshop