Answer:
<em>Optical printing is where you use a camera to get a end result.</em>
Explanation:
An optical method for filming performers simultaneously in a studio and pre-filmed background images that were projected from the fountain onto a highly reflective background. Which was used to blend matte paintings and live action.
well I think
yes Because it can ruin your children
so free points?
<em>violin, viola, cello, and bass.</em>
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