英文關鍵字
blacksmith
blast
bright
burn
burning
cast
casting
danger
factory
fire
foundry
fuel
furnace
gears
glowing
heat
heavy
hot
industral
industrial
industry
iron
job
machine
man
manufacture
manufacturing
materials
melting
metal
metallurgical
metallurgist
metallurgy
mill
mining
molten
orange
plant
pouring
power
process
production
products
profession
red
refining
shop
steel
stream
texture
view
working
works