mirrors
Optical tools depend on the wave behavior of light
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CONCAVE
CONVEX
CORNEA
IMAGE
LASER
LENS
OPTICS
PUPIL
RETINA
| K | D | R | E | S | A | L | O | S |
| P | C | O | N | V | E | X | J | M |
| I | O | O | P | T | I | C | S | K |
| Y | R | F | N | U | L | A | S | Q |
| J | N | E | O | C | P | Z | N | U |
| E | E | U | T | T | A | I | E | E |
| K | A | U | F | I | H | V | L | R |
| I | M | A | G | E | N | S | E | R |
| C | R | G | C | B | T | A | A | O |
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