Relevant video discussing fire keys and other common keys: https://www.youtube.c... | Hacker News

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wolrah on June 13, 2021 | parent | context | favorite | on: Elevator Saga: An elevator programming game (2015)

Relevant video discussing fire keys and other common keys: https://www.youtube.com/watch?v=a9b9IYqsb_U

And since this thread is about elevators, I have to also mention another video of theirs: https://www.youtube.com/watch?v=ZUvGfuLlZus

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