Aircraft oxygen generator.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/chemical_oxygen_generator.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...034#post140901
https://www.homemadetools.net/forum/...698#post229116
https://www.homemadetools.net/forum/...092#post164922
https://www.homemadetools.net/forum/...328#post188727
