Invidious
Blue Cylinder (The first)
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February 2026: I have no sponsors, my personal circumstances have changed, please enjoy the channel for what it is, please make a comment, sadly I have no money to buy anything else, so please show your support and "Buy me a coffee" www.buymeacoffee.com/bluecylinder


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28 videos

Informative

Blue Cylinder (The first)

82 videos

Sounders

Blue Cylinder (The first)

22 videos

Fire extinguishers

Blue Cylinder (The first)

2 videos

Intruder

Blue Cylinder (The first)

-1 video

Interesting stuff

Blue Cylinder (The first)

2 videos

YT shorts

Blue Cylinder (The first)

4 videos

Fire Panel

Blue Cylinder (The first)

-1 video

Sprinklers

Blue Cylinder (The first)

4 videos

Lights / strobes

Blue Cylinder (The first)