1. Learning - teaching distance education requires teachers. And teaching materials that can be used to teach more than one class, and in many places such as the Foundation does not have to hire teachers and buy equipment for teaching the same subjects each. Teachers and students can choose to have each of the questions asked. Since each room is not large. And the number of students, it is not much. The auxiliary devices such as microphones, cameras, video, and interactive monitors and so on.
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