A matsayin mai kera bawul, COVNA na kera kowane irin bawuloli don bututun mai. Kamar bawul ɗin ƙofar, bawul ɗin globe, bawul ɗin ball, bawul ɗin malam buɗe ido, bawul ɗin duba da sauransu. Akwai shi a cikin wutar lantarki, sarrafa huhu da hannu don zaɓuɓɓukanku. Tuntube mu don samun bawul sol kyauta ...
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