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A millimetre (symbol mm) is an SI unit of length that is equal to one thousandth of a metre.
1 mm ie equal to:
See 1 E-3 m for comparisons.
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... Russians. The largest settlement on the island is Yuzhno-Sakhalinsk[?] (pop. 171,000). A little coal is mined and some rye, wheat, oats, barley and vegetables are grown, ...