Possible Weaknesses
Precautions while using Overhead Projectors
Possible Weaknesses
The drawbacks of this projector include the basic fact that it requires a constant power supply and also requires a white flat surface on which its image can be projected. Another disadvantage is that if the surface is not suitable inclined at the correct angle, the image will suffer from a phenomenon called
Cover the transparency when you are done using it
Overhead Projector Usage
Electrical
Function
Overhead projectors
Heat
Warning
How it bowled its way into the classroom
Provide best view
Types
Precautions
Do not face the projected image on the screen More ...
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