英文關鍵字
actions
blacksmith
blast
bright
burning
burningout
casting
changing
coal
container
danger
equipment
factory
fire
flowing
foundry
freight
fuel
furnace
glowing
hearth
heat
heavy
hot
indoor
industrial
industry
iron
liquid
manual
melting
metal
metallurgical
metallurgy
mill
mining
pouring
power
process
production
red
slowmotion
smeltery
smelting
smoke
steel
tank
technology
worker
working
workshop