英文關鍵字
actions
blast
bright
burning
burningout
casting
coal
danger
effort
equipment
factory
fire
flame
form
founding
foundry
fuel
furnace
glowing
heat
heavy
hot
industrial
industry
iron
ironworks
liquid
manufacture
melting
metal
metallurgical
metallurgy
mill
mining
open
plant
pouring
power
process
production
red
shop
slowmotion
smoke
steel
tank
technology
whitehot
work
worker
workshop