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2. Bird scarer - Wikipedia

   en.wikipedia.org/wiki/Bird_scarer

   A typical propane gas gun bird scarer Propane Cannon in action in a corn field. Note that the cannon rotates with each blast, thereby directing the sound to different portions of the surrounding area. Propane scare cannons are one of the most common types of bird scarer available in Europe and America.

3. Bird strike - Wikipedia

   en.wikipedia.org/wiki/Bird_strike

   View of fan blades of a Pratt & Whitney JT8D jet engine after a bird strike Inside of a jet engine after a bird strike An ICE 3 high-speed train after hitting a bird A bird control vehicle belonging to Copenhagen Airport Kastrup, equipped with various tools. Bird strikes happen most often during takeoff or landing, or during low altitude flight ...

4. Noise regulation - Wikipedia

   en.wikipedia.org/wiki/Noise_regulation

   This provision is a subjective immission control with a curfew. A propane cannon is used to keep animals and birds from destroying commercial crops. In large fields, many are used and fired as frequent intervals.

5. Berkeley Pit - Wikipedia

   en.wikipedia.org/wiki/Berkeley_Pit

   A new Waterfowl Protection Plan was developed and allowed for adaptive management, testing, and incorporation new tools and techniques. Deterrents such as Phoenix Wailers, a type of noise machine, and propane cannons that mimic gunshots are placed around the rim of the pit to keep birds from landing.

6. Gas gun - Wikipedia

   en.wikipedia.org/wiki/Gas_gun

   Potato cannon, a pipe-based cannon that uses air pressure, or combustion of a flammable gas to fire projectiles, usually potatoes Propane cannon, a type of bird scarer Riot gun , a type of firearm used to fire non-lethal ammunition for the purpose of suppressing riots or apprehending suspects with minimal harm or risk

7. Chicken gun - Wikipedia

   en.wikipedia.org/wiki/Chicken_gun

   The first chicken gun, built in 1942 by the US Civil Aeronautics Administration and the Westinghouse Electric and Manufacturing Company, being fired at a glass panel.. A chicken gun or flight impact simulator is a large-diameter, compressed-air gun used to fire bird carcasses at aircraft components in order to simulate high-speed bird strikes during the aircraft's flight.