1. The gas in the oxygen cylinder should not be used up, and the residual pressure should be kept at least 0.05MP.

2. The distance between the oxygen cylinder and the open flame should not be less than 10 meters, not close to the heat source, and not exposed to the sun. It should be stored in a dry and cool place without hitting the cylinder.

3. The mouth of the oxygen cylinder, the inhaler, the pressure gauge, and the interface thread are strictly prohibited from being contaminated with grease.

4. When transporting and loading and unloading the oxygen cylinder, close the bottle valve, tighten the cap, and move it gently. Don't hit the roller and throw it away. When the oxygen supply is moved, stopped and used, please protect the gas cylinder and valve to prevent the gas cylinder from tipping over, so as not to damage the accessories.

5. If air leakage is found during use, please close the cylinder valve immediately. Please do not repair it yourself. It is strictly forbidden to disassemble parts on valves such as oxygen cylinder valves, valve switches, pressure gauges, etc.

6. It is strictly forbidden to oxygenate without permission. The inflation pressure of the oxygen cylinder must not exceed the specified pressure. Overloading is strictly prohibited; the gas cylinder is inspected every 3 years and can be used only after being qualified.