Siren ArticlesShowing 1 - 6 of 6 total results found while searching for "Siren". The siren?history and applications The siren’s main purpose is to warn people of nearing or imminent danger. They vary in size and scope; from personal alarm systems designed for protection, to home alarm systems, to industrial or government-used alarm systems. Emergency Published 11 Years Ago by tedmark |
Air raid siren- noisy but efficient Think about all the noise that there is in a factory. You can barely understand what other workers may say and it often happens that important messages do not manage to pass along. Just think about a critical situation when you need to alert all the Published 11 Years Ago by AxelPrice |
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