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{{short description|Method of emergency broadcasting in the United States}} ...ergency Alerts|Emergency Warning Broadcast system|Emergency Warning System|Emergency Broadcast System}} ...

...application standards (such as CAA specification 15 for aircraft cabin PA systems) for applications featuring electro-acoustics, simply because it was the on ...ater become known as '''STIPA''' ('''STI''' for '''P'''ublic '''A'''ddress systems). The first device to include STIPA measurements available for sale to the ...

...gh pressure gas transmission pipelines is discouraged, often with standing warning signs.<ref>{{Cite web |last=[[Ervia#Gas Networks Ireland|Gas Networks Irela ...{convert|1|to|120|psi|kPa|order=flip|sigfig=1}} over atmospheric pressure. Systems using EP have a [[pressure regulator|regulator]] at the service entrance to ...

...was dammed in the 1850s, to cater to the demand for water from the growing population of the city. The masonry [[arch dam]] wall was designed by Lieutenant Percy ...oad, and are often used to control and stabilize water flow for irrigation systems. An example of this type of dam is the now-decommissioned [[Red Bluff Diver ...

...e Unit|City of London police's Intellectual Property Crime Unit]] issued a warning to students and universities against accessing the website and to have the ...came from American and European university campuses, and when adjusted for population, usage of Sci-Hub was high for [[developed countries]]. However, a large pr ...

...Trump that Twitter had marked "potentially misleading" (inserting the blue warning icon and "Get the facts..." language) that led to the executive order]]Twit ...hird-party Twitter clients including [[Tweetbot]], stopped working without warning and without any apparent explanation from the company.<ref>{{Cite web |last ...

...ces.<ref>{{cite web|date=February 17, 2021|title=Facebook restores health, emergency pages|url=https://7news.com.au/lifestyle/health-wellbeing/facebook-blocks-q ...ref><ref name=":7" /> The outage also affected all internal communications systems used by Facebook employees, which disrupted restoration efforts.<ref name=" ...