A fake classroom blackboard will seriously harm the learning effect of students. If you look at the fake blackboard for a long time, your eyes are easy to be tired, the surface is not clean, and the pencil dust is easy to fall. It can not guarantee that the electronic board can touch one another. As a result, the teaching quality is endangered. So how to choose the right teaching blackboard seems to be very important.
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What should I do if the whiteboard is not cleaned
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What are the advantages of green board
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