英文關鍵字
bright
burn
burning
cast
casting
construction
create
dangerous
dirty
factory
fires
flame
flow
founding
foundry
framework
furnace
glow
heat
heavy
helmet
high
hot
industrial
industry
intense
iron
ladle
light
liquid
manufacturing
melting
metal
metallurgical
metallurgy
mill
mold
molten
orange
plant
pour
red
slag
smelting
steel
steelworks
tank
technology
work
workshop