英文關鍵字
blast
blastfurnace
bright
danger
energy
equipment
factory
fire
flame
foundry
fuel
furnace
glowing
heat
heavy
hot
indoors
industrial
industry
iron
lava
light
line
liquid
machinery
manufacture
manufacturing
melting
metal
metallurgical
metallurgy
mining
molten
moving
plant
power
production
smoke
spark
steel
storage
tank
technology
temperature
transportation
work
worker
working
workshop