Sinking gases cause garage pit explosion - GIF

Sinking gases cause garage pit explosion.

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Previously:

https://www.homemadetools.net/forum/...495#post142946
https://www.homemadetools.net/forum/...608#post139591
https://www.homemadetools.net/forum/...080#post141129
https://www.homemadetools.net/forum/...754#post140049
https://www.homemadetools.net/forum/...485#post139240
https://www.homemadetools.net/forum/...081#post138069
https://www.homemadetools.net/forum/...845#post119330

Been there and done that more than once.

Was the guy in the pit painting the lift beams, using a thinner-based enamel?
Seems like some flames sticks to the beams after the initial flash-up has waned.
2 cents