Fire sprinkler shut off tool.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...n_fullsize.jpg
Previously:
Infrared sensing directional fire sprinkler - GIF
Village firefighting system
Firefighting missiles for highrise buildings - GIF
Hangar foam fire suppression system malfunction - GIF
Extinguishing a fire with a bottle of Coke - GIF
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