英文關鍵字
blast
blastfurnace
bright
burningout
construction
container
department
equipment
factory
fire
flow
foundry
framework
furnace
hearth
heat
heavy
hot
industrial
industry
interior
iron
light
liquid
manufacturing
melting
metal
metallurgical
metallurgy
open
openhearth
plant
pouring
production
red
release
shop
smelting
sparkles
steel
still
tank
unit
whitehot
work
workshop
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