He’s been in a good-but-not-great car so far, this is his chance to win the championship, but he’s getting beaten by the team’s young new guy and now his car gives in at a decisive moment. It honestly sucks for him.

OpenKeychain has an implementation like this (not 100%) maybe that fits your use case?

https://www.openkeychain.org/

Get a fire-blanket for the small stuff as well. Powder extinguishers make a huge mess, they need to be maintained and eventually replaced, whereas fire blankets basically last forever and for small fires or grease fires they are the better choice.