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According to the rule of thumb in Japan, whistles help you survive after natural disasters such as Tsunamis and earthquakes. In particular, they will be beneficial in case that you cannot escape from collapsed buildings. However, it is not in practice to always hold a whistle for disasters that you cannot expect to occur. So, put it into your belongings, your smart phones. This will help you when accidents happen.根据经验，日本的统治，口哨帮助你的自然灾害，如海啸和地震后的生存。特别是，他们将是有益的情况下，你不能从倒塌的建筑物逃生。然而，这不是在实践中始终坚持一个哨子的，你不能指望发生的灾难。所以，把它放到你的物品，你的智能手机。这将帮助你时，意外发生了。

Whistle on Android

Whistle on Android的最新版本