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by shiroiushi
622 days ago
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>Just look at the mess of Imperial units in the United States. The US doesn't use Imperial units; it uses "US Customary" units. They're not the same, though there is some overlap. Imperial units are used in the UK, which is why they're called "imperial" (from "empire"--the British Empire). Imperial inches, for instance, are the same as US inches (2.54cm), but UK/Imperial gallons are quite different from US gallons, which is why the miles-per-gallon ratings for cars are so different between the two countries. |
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