What is the clever trick for siphoning gas from a car?

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It's best to use a white soft hose, and the inside of the tube should be clean without any debris. If the tube is dirty, it needs to be cleaned and dried. Insert one end of the tube into the car's fuel tank. Cover the end of the hose inserted into the fuel tank with your hand, place the clean other end in your mouth, and then suck hard. You will see the fuel slowly coming out of the fuel tank. Slowly bend down and place the fuel hose into a prepared fuel container. The fuel will then flow continuously into the container.