Siren (alarm)
Noise-making device
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A siren is a noise-making warning device. There are two general types: mechanical sirens and electronic sirens. 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.
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![India’s Biggest War Drill Since 1971: Sirens, Blackouts, Evacuations | Do’s & Don’ts You MUST Know [Video]](https://video.newsserve.net/300/v/20250506/1410037108-India-Biggest-War-Drill-Since-1971-Sirens.jpg) India’s Biggest War Drill Since 1971: Sirens, Blackouts, Evacuations | Do’s & Don’ts You MUST Know Credit: Oneindia Duration: 03:27Published | |
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Mock Drill Live Updates: Sirens sound in Delhi amid escalations with PakistanSirens are sounding in the national capital as a precautionary measure amid the ongoing escalations with Pakistan.DNA - Published |
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