英文關鍵字
background
burn
business
car
construction
engineering
equipment
factory
fire
flame
forging
foundry
hammer
heat
heavy
hot
industrial
industry
interior
iron
line
machine
machinery
manufacturing
mechanical
melting
metal
metallic
metallurgy
mill
plant
press
production
punch
rolling
russia
smoke
steel
steelmaking
technology
train
transportation
vehicle
vyksa
wagon
warehouse
wheel
work
worker
workshop