英文關鍵字
action
baking
burner
casting
closeup
combustion
construction
control
crucible
danger
die
energy
equipment
explosion
factory
fire
flame
forging
furnace
glowing
heat
heavy
high
industrial
industry
iron
ironmaking
line
liquid
manufacturing
melting
metal
metallurgy
mill
plant
power
process
production
red
smelting
smoke
splash
structure
taphole
technology
temperature
ukraine
workshop
yellow