1. According to air horn design theory, JQF low noise air horn device with partial acoustical enclosure has been designed.

2. Aiming at investigating how the air horn and mounting angle affect a Pitot tube measurement, experiments were carried out on various Pitot tubes.

3. We use this air horn to give a signal in the event of emergency.

4. Second most harmful to our ears was the air horn, which exposes our ears to damage inducing levels of 123.6 decibels. This was followed by the drum, which reached 122 decibels.

5. Campana slammed on the train's brake and blasted his air horn.

6. The dual carburetor has a float bowl that partly surrounds the carburetor air horn.

7. Air tightness test and safety valve adjusting for main air receiver (control air receiver, air horn receiver)on board.

8. The fighting starts when a signal such as an air horn or whistle blows, and can last anywhere from a few minutes to a few hours.