英文關鍵字
bright
burn
cast
casting
color
craft
droplets
factory
ferrous
fire
flame
flaming
flowing
form
foundry
glow
heat
hot
industrial
industry
iron
ironwork
ladle
liquid
manufacture
manufacturing
material
melt
melting
metal
metallic
metallurgy
mill
molten
plant
pour
process
produce
production
red
smoke
steel
temperature
tool
vertical
warm
workshop