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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 userbinator on Monday October 12, 2020 @12:12AM (#24751319)
No, because that would become widely known and people would take advantage of it. I believe they use a https://en.wikipedia.org/wiki/Positive_displacement_meter
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