precautions while using overhead projectors

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Precautions while using Overhead Projectors

During most corporate meets, business owners hire projectors from reliable, take proper precautions

An overhead projector is a metal box with mirrors, lenses and a bright light. The bright light from a bulb reflects on the Fresnel lens inside the overhead. The light then bounces to a reflecting mirror under a stage where you set the overhead transparency. This image is in reverse form. A convex mirror then reflects an enlarged image with the proper orientation from the overhead transparency to a screen behind the speaker and the overhead.

How it bowled its way into the classroom
Basic Understanding
Overhead Transparencies
Overhead projector has been a favorite presentation tool
Beneficial Strengths
Cover the transparency when you are done using it
Additional Tips
Overheating of projectors might cause melting of different parts of the device
More ...

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