英文關鍵字
business
chemical
company
condensate
department
employee
energy
engineer
extraction
facility
factory
fire
fuel
gas
geological
heavy
helmet
industry
job
kazan
light
manufacture
mask
metal
oil
perform
petrol
pollution
power
powerful
production
professional
protective
refinery
skill
spark
splash
steel
study
tatarstan
technology
weld
welder
work
workplace