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Zvakapfuura uye zvazvino zve kilogram
Ko kilogram inorema zvakadii? Masayendisiti akaongorora dambudziko iri rinoratidzika kuva nyore kwemazana emakore. Muna 1795, France yakadzika mutemo waiti "giramu" se "huremu hwakakwana hwemvura mucube ine huremu hwakaenzana nezana remamita pakupisa kana ic...Verenga zvimwe