英文關鍵字
business
caoutchouc
carbon
caucasian
chemical
closeup
company
create
cut
drop
engineer
equipment
factory
heavy
industry
job
kazan
machinery
manufacture
material
mechanism
mixer
oil
performance
piece
plant
process
production
roller
rotate
rubber
smooth
synthetic
tatarstan
tatneft
technology
tire
transportation
vehicle
wheel
worker
workshop