英文關鍵字
building
business
carbon
chemical
closeup
commercial
company
department
engineer
equipment
factory
heavy
industrial
industry
inside
kazan
machine
machinery
magnet
manufacture
mark
mechanic
mechanism
oil
performance
plant
process
produce
production
rim
rotate
rubber
stamp
synthetic
tatarstan
tatneft
technology
tire
vehicle
wheel
work
workshop