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The reasoning is simple: Oklahoma is subject to some of the most dangerous and often tornadoes in the United States, making it important for sirens to work effectively in the event of severe weather.
Archaic perfume vase in the shape of a siren, c. 540 BC The etymology of the name is contested. Robert S. P. Beekes has suggested a Pre-Greek origin. [5] Others connect the name to σειρά (seirá, "rope, cord") and εἴρω (eírō, "to tie, join, fasten"), resulting in the meaning "binder, entangler", [6] [better source needed] i.e. one who binds or entangles through magic song.
A siren is a loud noise-making device. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines.
Siren (mythology), an enchanting but dangerous monster in Greek mythology; Places ... Sirens, the fifth season of Asian's reality program Supermodel Me;
That's why you may hear sirens sounding on Saturday, April 6 in several Des Moines metro-area counties. ... These warning systems are designed to alert people outside that "something dangerous is ...
When activated, sirens will sound for 3-5 minutes and repeat every 10-15 minutes while a warning is active. They do not sound continuously or issue an "all clear" alert when a warning expires.
The use of flashing lights and sirens is colloquially known as blues and twos, which refers to the blue lights and the two-tone siren once commonplace (although most sirens now use a range of tones). In the UK, only blue lights are used to denote emergency vehicles (although other colours may be used as sidelights, stop indicators, etc.).
A HSS Engineering TWS 295 electronic sirens warning Civil Defense siren. There are 8,200 alarm sirens for civil protection throughout Switzerland. They are tested once a year, on the first Wednesday in February. [1] Sound sample ⓘ Warning light indicating danger of laser exposure