英文關鍵字
action
blast
blaze
bright
burn
burningout
casting
color
factory
fire
flame
foundry
freight
fumes
furnace
heat
heavy
hot
industrial
industry
interior
iron
manufacture
manufacturing
metal
metallurgical
metallurgy
mill
plant
power
process
production
red
smelter
smeltery
smelting
smoke
spark
steel
technology
work
worker