What should be kept in mind while filling petrol in vehicle? 

710-770 kg/cubic meter density of petrol is good. 

830-900 kg/cubic  meter density of diesel is good.

    Turn off the engine before refueling to prevent accidents. 

Avoid  using mobile phones or any electronic devices during refueling. 

     Make sure the fuel cap is securely closed after refueling. 

Do not  overfill  the tank; stop filling once nozzle automatically shuts off. 

Remove  any  static  electricity by touching a metal part of the car before handling the nozzle. 

Keep a safe distance between the vehicle & other sources of ignition. 

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