英文關鍵字
background
bright
burn
burning
cast
caster
casting
coals
color
concept
crucible
dark
factory
fire
flowing
foundry
furnace
glow
glowing
hearth
heat
heavy
high
hot
industrial
industry
interior
iron
irony
ladle
light
liquid
manufacturing
melt
melting
metal
mill
mining
mold
molten
open
orange
outburst
plant
production
red
smelting
sparks
steel
stream
temperature
work
yellow