unit 1

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Across
  1. 2. A structure used to fix or support mechanical components firmly
  2. 4. A mechanical projecting part that functions like a human arm
  3. 5. A repeated series of mechanical or operational events
  4. 9. A pair of parts or forces working together in a mechanical system
  5. 10. A base layer of coating applied to protect mechanical surfaces
  6. 11. A protective layer of paint or material on mechanical parts
  7. 12. The ridged parts on gears or cogs in mechanical transmission systems
  8. 13. A clamping or gripping part of a mechanical tool or device
  9. 14. A material that does not conduct electricity, heat or sound
Down
  1. 1. Moving or operating at a speed greater than the speed of sound
  2. 3. Relating to machines, mechanics or mechanical engineering
  3. 6. A protective or covering part for the top of a mechanical component
  4. 7. Relating to electricity or electrical engineering
  5. 8. A precision measuring instrument for mechanical engineering measurements