Δοκιμή βρόχου συστήματος εκπομπής έκτακτης ανάγκης
Nope. There is no emergency, or the audio system has a problem. This is the sound standard for emergency warning system or Emergency Broadcast System (EBS). This sound is recorded …
Nope. There is no emergency, or the audio system has a problem. This is the sound standard for emergency warning system or Emergency Broadcast System (EBS). This sound is recorded …