There are different types of jetpacks available. The heart of the jetpack is the fuel that you use in them. There are many risks in building the jetpacks you should be very much careful in each step of the process.
Even after the complete process is done you have to check entirely after it to make sure that you have done your job in the right way or not.
The refueling a car powered by hydrogen will be a simple process but they have to handle it in the right way. The fuel which you will incorporate into this type of car will have a huge difference when being compared to petrol and diesel.
When you own a hydrogen vehicle you should have the basic concept on how to use it and also in which format you can make them get happened in the right way.