A good travel plan for deaf people would be one that, due to its specific characteristics, allows proper tourist enjoyment even without the need to hear the noise of the environment.
Thus, for example, visits to museums of fine arts or natural viewpoints would be good travel plans for deaf people, given the visual characteristics of such trips.
Because gasoline is lighter than water and will simply float above water whereas electric fire water is a good conductor of electricity and diesel fuel also float above water