■Introduction of oil and gas recovery During the filling,transfer and storage the fuel oil, a large amount of Oil and gas volatile. It discharged into the air, formed chemical smog, pollute the environment seriously. Pollute natural ec......

How to use the refueling gun? The instructions for a refueling gun are no different from those for a water pistol, except for a slightly different trigger. 1. Drive the car to the tanker with a specific oil number, then park the car and s......