Problem4
The problem about utilization ...ex
The electric bus attracts attention.One of the charge methods of an electric bus is wireless electric supply technology.
There are three problems.
1,The distance which can run is short.
●The distance which can run a bus by one charge is short.
●Electric power capacity increases.
●The number which can ride becomes fewer.
●Electric bas needs expense.
2､legal problems
Two laws are related.
●The Road Traffic Law.
●Wireless Telegraph Law.
