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Comment by Drdrdrq | Hacker News Reader
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Drdrdrq
·
See linked Wikipedia article for explanation.
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nilved
·
Normally a post like that is accompanied by a link to a Wikipedia article.
jacquesm
·
https://en.wikipedia.org/wiki/Interlock_(engineering)
Drdrdrq
·
True, sorry. User wpietry already posted the link, I just wanted to point out that the whole story is available there, which includes answer to his question.
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