英文關鍵字
action
bright
brightlylit
cast
copper
create
crucible
factory
fiery
flames
flow
foundry
furnace
glow
heat
heavy
hot
industrial
industry
intense
iron
ladle
light
liquid
loading
manufacture
manufacturing
melting
metal
metallic
metallurgical
metallurgy
molten
nickel
orange
plant
pour
power
red
release
shiny
smelting
sparks
steam
steel
steelworks
stream
work
works