1. The air horns were relocated to either side of the headcode panel. 2. Brower began making the railroad's distress signal on the engine's air horn . 3. Jerry discovers an air horn , which Jerry sounds behind Tom on a ledge. 4. After a few years in service, they were also fitted with air horns . 5. This instrument used four air horns to communicate with vessels in foggy weather. 6. Some keep air horns , firthat linger too long in a yard. 7. Finally, a compressed air horn ( hooter ) blasted every 45 seconds during fog. 8. As air horns sounded throughout the game, the Senators blasted the Stars'playoff hopes, 4-1. 9. People talk of jogging and walking with whistles, air horns , firecrackers and pepper spray. 10. A locomotive air horn was installed on the top left side of the cab. 
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