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umuyoboro wa grafiti ya karuboni ifite imbaraga nyinshi, ubucucike bwinshi ...
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Uruganda rwa graphite tube rwihariye, rufite ubunini bwiza ...
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Shyigikira inkoni ya grafiti yihariye ku bushyuhe bwinshi ...
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Igiciro cy'uruganda rw'umuyoboro wa grafiti, wakozwe mu mashini ...
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Inkoni ya Graphite y'amashanyarazi ya karuboni iragurishwa
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Udukoni two gusiga amavuta dushyushya karubone ya silikoni Silikoni ...






