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| | Metrication, metric conversion, and other Metrication matters: Why metrication matters |
 | | Here is a complete list of metric units for length: |
 | | yoctometre, zeptometre, attometre, femtometre, picometre, nanometre, micrometre, millimetre, metre, kilometre, megametre, gigametre, terametre, petametre, exametre, zettametre, yottametre |
 | | And here are some examples of non-metric length measures currently in use — this is not a complete list — there are many others. |
| www.metricationmatters.com /why_metrication.html (8346 words) |
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