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Precautions while using Overhead Projectors

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Benefits

Although overhead projectors seem outdated in more technologically advanced classrooms, they provide a valuable back up if the Internet or another technological tool fails to work, and the teacher needs to share visuals with the whole class. Teachers can keep salient information on a transparency to continue with an alternate lesson.


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Basic Understanding
Bring a spare bulb
Overheating of projectors might cause melting of different parts of the device
Provide best view
Beneficial Strengths
Good presentation
Cover the transparency when you are done using it
Falls
Significance
Heat
Benefits
Overhead projectors are more reachable and less costly
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