This solar-powered-fan is a good fan for the place that electric go out or where there are black out. How to use this fan is to plug the fan to the solar plane and then wait for it to charge. This can storage the energy in the solar plane, then if its raining you can still use the fan. It takes a while before it starts fully. This is portable you can take it any where you want.
This relates to engineering because this is solar powered, it is made, it has a remote, Electrical Engineering and Environmental Engineering. This relates to engineering because it is electricity.
