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
Function

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
Heat
Beneficial Strengths
Cover the transparency when you are done using it
Warning
Additional Tips
Overheating of projectors might cause melting of different parts of the device
Precautions
Types
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