英文關鍵字
background
blast
bright
building
burn
cast
casting
combustion
create
crucible
environment
factory
flame
flow
flowing
foundry
furnace
glowing
heat
heavy
hell
hot
indoor
industrial
industry
iron
ironworks
liquid
manufacture
manufacturing
melting
metal
metallic
metallurgical
metallurgy
mill
molten
orange
plant
pour
power
production
red
shiny
smelting
sparks
steam
steel
steelworks