Home > Term: electric siren
electric siren
An audible warning device that produces sound by the use of an electric motor with an attached rotating slotted or perforated disc.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Fire safety
- Category: Prevention & protection
- Company: NFPA
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Δημιουργός
- nomura
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