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First solar panel
The first solar panel was invented -
First solar train
the first working solar train invented -
Solar development
The development of solar eduipment started developing to make solar stuff work even better -
First solar cell
The first solar cell was made which made it to where the solar power is now more portable -
The first silicon solar panel
The first siclicon solar panel was invented for cheaper solar panels -
The cell phones begin
The first cell phone was made -
Cell for mobil phones
The cell phones started replacing the mobil phones -
Nokia's first cell phone
Nakia made and sold their first cell phone ever -
First PDA cell phoine
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The IPhone started taking over
IPhones started taking over the cell phone industry