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| | Ton - Encyclopedia, History, Geography and Biography |
 | | The word ton or tonne is derived from the Old English tunne, and ultimately from the Old French tonne, and referred originally to a large cask with a capacity of 252 wine gallons, which holds approximately 2100 pounds of water. |
 | | As a displacement ton the long ton is normally measured as the mass of 35 cubic feet of sea water. |
 | | Ton, Units of mass, Units of force, Units of volume, Units of energy, ton of TNT, ton of coal equivalent, ton of oil equivalent, Unit of power, Miscellaneous tons, See also, Units of mass, Units of volume, Customary units in the United States and Imperial units. |
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