| Projectors are devices
that throw light or images on a distant surfaces for
the view of an audience. Depending on the design and
purpose, projectors are classified in many different
types.
Some commonly known
projectors include overhead projector, movie
projector, transparency projector, digital projector,
slide projector, and many more.
Have you ever
wondered how a projector is made. Did you know that
you can make a simple projector for less than $25 cost
of material?
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