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Across
  1. 1. cyan, magenta, yellow, and black
  2. 3. the place at which independent and often unrelated systems meet and act on or communicate with each
  3. 5. ight that's been diffused (sheer curtains) between the plant and the light source
  4. 8. the throwing back by a body or surface of light, heat, or sound without absorbing it.
  5. 9. inkjet printers, laser printers, solid ink printers, continuous ink printers, LED printers, dot matrix printers and A3 printers.
  6. 10. a form of microcode or program embedded into hardware devices to help them operate effectively.
  7. 11. Those bodies which do not allow the light energy to pass through them
  8. 13. one that drives a form of microcode or program embedded into hardware devices to help them operate effectively.
Down
  1. 2. the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
  2. 4. the number of units of mass of a contaminant per million units of total mass
  3. 6. The medium that allows only a fraction of light to pass through them
  4. 7. when one can fairly clearly see objects on the other side of a solid body.
  5. 12. “dots per inch