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| alerting service (bigmaxus); voice alert system (Alexander Demidov) | |||
| reporting chain | |||
| warning system (Any series of procedures and devices designed to detect sudden or potential threats to persons, property or the environment, often utilizing radar technology; Система устройств, предназначенных для предупреждения об опасности, пожаре, взломе и пр.) | |||
| alarm system; General Address System (MichaelBurov); Public Address System (MichaelBurov) | |||
| paging system; public address | |||
| notification system | |||
| warning system | |||
| alerting system | |||
| reporting system | |||
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| warning systems | |||
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| PAGA (Public Address and General Alarm Корица) | |||
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| public-address | |||
| система оповещения: 453 do fraz, 62 tematyki |