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Whistle: Difference between revisions
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Whistles are often used as warning devices or as safety devices serving to attract attention to the user. Some | Whistles are often used as warning devices or as safety devices serving to attract attention to the user. Some cyclists use a whistle as a substitute for a [[bell (instrument)|bell]] or [[Horn (acoustic)|horn]]. It should be noted, however, that many jurisdictions require that the warning device be permanently attached to the bicycle. | ||
Rescue or Survival whistles are often packed in [[survival kit]]s and attached to [[Personal flotation device]]s to allow a victim to signal for help. The whistle is audible at much greater distances than the human voice, and is less likely to cause exhaustion if used repeatedly. Survival whistles differ from pea whistles in that they are usually flat, so that water cannot collect inside if the user is immersed, for example after falling overboard from a boat. | Rescue or Survival whistles are often packed in [[survival kit]]s and attached to [[Personal flotation device]]s to allow a victim to signal for help. The whistle is audible at much greater distances than the human voice, and is less likely to cause exhaustion if used repeatedly. Survival whistles differ from pea whistles in that they are usually flat, so that water cannot collect inside if the user is immersed, for example after falling overboard from a boat. | ||
