SA Firefighter

General Discussion => Country Fire Service => Topic started by: J_Buss on October 24, 2013, 12:20:34 AM

Title: CFS Sirens
Post by: J_Buss on October 24, 2013, 12:20:34 AM

I always wondered how the sirens work, this is how:
https://airraidsirens.com/tech_howtheywork.html