CF59

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Across
  1. 3. Metric pressure unit
  2. 5. Instrument measuring atmospheric pressure
  3. 8. Reduction of gas volume
  4. 11. Instrument measuring gas pressure
  5. 12. Space with very little matter
  6. 14. Total pressure measured from zero
Down
  1. 1. SI unit of pressure
  2. 2. Height above sea level
  3. 4. Pressure exerted by Earth's atmosphere
  4. 6. One atmosphere pressure
  5. 7. Common pressure measurement
  6. 9. Pressure relative to atmosphere
  7. 10. One thousand pascals
  8. 13. Pressure unit equal to millimeter of mercury