Two key technologies that bolster school safety are the Emergency Responder Radio Communication Systems (ERRCS) and the Public Safety Distributed Antenna Systems (DAS). An ERRCS enables first ...
Laut Medienberichten ging der Auslandsgeheimdienst BND in der Pandemie mit hoher Wahrscheinlichkeit davon aus, dass das Coronavirus seinen Ursprung in einem Labor in China hatte. Doch das ...
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