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Convex & Concave

Across
Device that records images in form a photograph
Allowing light to pass through; so objects can be seen
Hard brittle, typical translucent or transparent
Not able to see nthrough
Surface curved line inside of a circle
Allowing light to pass through to so object behind can be seen
Down
Allowing light to pass through; but not details images
Allowing light, but not detailed images, semi transparent
Pair of lenses in a set frame to correct eyesight or protect eyes
Colorless, transparent, odorless, tasteless liquid
Outline or surface curved like a exterior of a circcle