Watch to see how special voice evacuation systems work when there is a fire or general emergency in a building. Systems like these are complex and required by national code to be installed in larger buildings.
Instagram: s.e.r._safe... (@s.e.r._safety)
Check out my eBay account! Here, I sometimes sell alarms seen in my videos: www.ebay.com/usr/ser_safety_s...
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Twitter: / ser_safety (@SER_Safety) .
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12/29/2020 UPDATE
Get fire alarms for hobby usage:
Want to support this channel and build a fire alarm collection? Check out sersafety.com
26 окт 2019