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SI unit

A SI unit is a unit of measurement according to the International System of Units SI. There are seven base units and several derived units. Non-SI units can be converted to SI units (or vice versa) according to the conversion of units.

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... for certain who the "Johannes" (Afrikaans for "John") was after whom the city was named. Several candidates have been put forward over the years. On March 28, 1994 Zulus ...