Unit 5 Nouns

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Across
  1. 2. a standard altitude used in aviation to ensure safe distance between aircraft
  2. 4. a flashing light used to signal to other drivers that the car is turning
  3. 6. a force that causes something to rotate or turn around an axis
  4. 8. fluid a liquid used to transmit power within a machine, such as the braking system
  5. 11. a device that holds the brake pads and presses them against the disc to create friction
  6. 13. an event or occurrence, often one that is unpleasant or involves a safety breach
  7. 14. a sliding piece of metal inside a cylinder that moves under pressure to provide force
  8. 15. line a reinforced hose or tube that carries pressurized brake fluid to the wheels to stop the vehicle
  9. 16. pad a thin block that grips the disc in a vehicle's brake to slow down or stop it
  10. 17. a circular metal plate that rotates with the wheel and is squeezed by the pads to stop the car
  11. 18. the process of preserving or repairing a vehicle or machine to keep it in good working order
  12. 19. the glass window at the front of a vehicle that protects the driver and passengers
  13. 22. pedal the foot-operated lever used by the driver to activate the braking system
  14. 23. the height of an object, such as an aircraft, above sea level or ground level
  15. 24. a device that detects or measures a physical property (like tyre pressure) and records or responds to it
Down
  1. 1. an instance of two objects, such as aircraft or cars, crashing into each other
  2. 3. the main pressure-generating device in the hydraulic system that converts pedal force into hydraulic pressure
  3. 5. a type of aircraft with large horizontal propellers on top that allow it to take off and land vertically
  4. 7. a system that uses radio waves to detect the distance, speed, and position of objects
  5. 9. the circular wheel used by the driver to control the direction of the vehicle
  6. 10. a lever used to keep a vehicle stationary, typically when it is parked
  7. 12. the compass direction in which an aircraft or vehicle is pointed or moving
  8. 16. a bar attached to the front or back of a car to reduce damage during a minor collision
  9. 20. the quality of being easy to press or bend, often used to describe the feel of a pedal or seat
  10. 21. level the measured amount of liquid (such as oil or coolant) currently in a reservoir