Firstly, the gasoline generator should be operated only in a well-ventilated area. This is because the exhaust generated by the generator contains harmful substances and it could affect the health of the users if not ventilated properly. If operated in an enclosed space, there is a high risk of carbon monoxide poisoning. Therefore, it is crucial to have proper ventilation while using the generator.

Secondly, before starting the generator, make sure to check the oil level in the engine. Oil helps to lubricate the engine parts and protect them from wear and tear. If the oil level is low, add the required amount of oil to the engine before starting it.

Thirdly, it is important to maintain the correct ratio of gasoline and oil in the generator. The ratio of gasoline to oil depends on the type of generator being used and should be maintained according to the recommendations provided by the manufacturer. If this ratio is not maintained properly, it could damage the generator engine.

Fourthly, regular maintenance of the generator is necessary to ensure its efficiency and longevity. This involves cleaning the generator parts, changing the oil regularly, and inspecting the spark plugs, air filter, and other critical components. If any issues are found during maintenance, it should be repaired immediately by a professional technician.

Lastly, always store the gasoline generator in a safe place when not in use. This will prevent any accidental activation or damage to the generator. It is recommended to store the generator in a dry place away from any sources of heat or ignition sources. Additionally, if the generator is not in use for a long period of time, it should be serviced regularly to ensure its working condition.

In conclusion, using a gasoline generator requires understanding its correct usage and safety measures. The generator should be operated only in a ventilated area with oil levels checked before starting and maintaining correct gasoline-oil ratios. Regular maintenance is essential to ensure efficiency and longevity of the generator, while it should be stored safely when not in use. Users should always follow safety procedures and avoid operating a gasoline generator when not trained or skilled to do so.