Crossword on sensors and actuators

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Across
  1. 2. gas sensor
  2. 6. dc motor
  3. 7. photodiode sensor
  4. 9. accelerometer
  5. 11. ir optical sensor
  6. 13. speaker(brand)
  7. 15. linear
  8. 17. piezoelectric actuator
  9. 18. pir sensor
Down
  1. 1. ultrasonic sensor
  2. 2. thermocouple sensor
  3. 3. pneumatic actuator
  4. 4. stepper motor
  5. 5. solenoid valve
  6. 8. barometer sensor
  7. 9. gyroscope
  8. 10. led display
  9. 12. rotary actuator
  10. 14. servo motor
  11. 16. hygrometer