The application of the system is to ease maintenance personnels in order to check the amount of fuel and water that is needed in the hangar. Level of water and fuel is important to get precise and accurate amount of it thus making maintenance personnels easily doing their job in the hangar. Moreover, it is simple and can be used easily.
![](https://i.ytimg.com/vi/dWrfEges1_E/maxresdefault.jpg)