How to Use a Laser Pointer Correctly [HD]

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Use, Lasers, Pointer, Correctly, Business, Meeting, Directions, Warning, Eyes, Light

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Laser pointers are convenient and useful tools. But if they're misused, they can cause unnecessary damage.

  1. By: Howcast
  2. Categories Science & Tech
  3. Views 1,024
  4. Added :03-Dec-10
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