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A comment on How does a gas pump know to shut itself off? (1981). Parent comment

Re:How does a gas pump know to shut itself off? (1981) by jholman on Saturday October 10, 2020 @07:00PM (#24742540)
Enjoyed that youtube explanation (3 minutes, clear explanation). Just a comment to encourage later readers to follow the link, if they were on the brink of doing so.
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