Comments by "David Cruse" (@davidcruse6589) on "American Reacts to Why European Sirens Are PROVEN To Be Better" video.

  1. We here in Australia 🇦🇺 have a combination of the two they change with the speed of vechiles There was a study on how sound waves travelling through the air and they found depending on speed of vechiles Was how effective each sound and why we have a mixture of the both type Cheers mate
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