unit 1

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Across
  1. 2. A material that does not conduct electricity, heat or sound
  2. 4. A metric unit of length equal to one hundredth of a metre
  3. 7. Relating to machines, mechanics or mechanical engineering
  4. 9. The part of a machine that extends
  5. 10. A protective layer of paint or material on mechanical parts
  6. 11. Put one thing, especially an engine, onto another or into its correct place
  7. 12. The sides of, e.g., a vice or pliers
  8. 13. The projecting ridged parts on gears, cogs
Down
  1. 1. Moving or operating at a speed greater than the speed of sound
  2. 3. To become or make a mechanical/electrical component get too hot
  3. 5. Relating to electricity or electrical engineering
  4. 6. A protective or covering part for the top of a mechanical component
  5. 8. A repeated series of mechanical or operational events
  6. 10. Join together two things