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 | | In metrology, Imperial units (also called British units) are the measurement units that were generally used in the British Commonwealth countries in the past. |
 | | The Imperial gallon is defined as the volume of 10 avoirdupois pounds of water under specified conditions, and the Imperial bushel is defined as 8 Imperial gallons. |
 | | In the United States these two are not the same, the gallon and its subdivisions are used in the measurement of liquids; the bushel, with its subdivisions, is used in the measurement of certain dry commodities. |
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