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Igisubizo cyo kuvugurura amavuta yakoreshejwe
Amavuta yakoresheje, yanaswe kandi amavuta yo gusiga amavuta, ni imashini zitandukanye, ibinyabiziga, byo gusimbuza amavuta yo gusiga, muburyo bwo gukoresha numwanda wo hanze kugirango ubyare umubare munini wibisasu, bityo utakaze neza. Impamvu nyamukuru: Icya mbere, amavuta yo gukoresha avanze nubushuhe, umukungugu, izindi peteroli zitandukanye zikorwa nambaye ibara ryirabura kandi zikaba zinini. Icya kabiri, amavuta yangirika mugihe, ashinga acide organic, Colloid na Asfalt-nkibintu.
