英文關鍵字
bright
bucket
car
casting
closeup
construction
conveyor
delivering
demidov
equipment
factory
flame
foundry
freight
furnace
heavy
hot
industrial
industry
iron
ladle
ladles
liquid
manufacture
manufacturing
material
melting
metal
metallurgical
metallurgy
molten
old
orange
ore
plant
poured
pouring
processing
production
red
retro
rust
rusty
smelting
sparks
steel
sverdlovsk
tank
technology
train
type
work
workshop