Maɓallin Butterfly wani nau'in bawul ne wanda ke amfani da nau'in diski da sassan rufewa don juyawa kusan 90 ° don buɗewa, rufewa ko daidaita matsakaicin matsakaici. Bawul ɗin malam buɗe ido ba kawai mai sauƙi ba ne a cikin tsari, ƙarami a cikin girma, haske a cikin nauyi, ƙarami cikin amfani da abu, ƙarami a girman girkawa, ƙarami a tuki ...
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