Hariho cyane cyane gufata amaboko, amaboko, umukandara, imishumi yamaguru, pedal, ibiziga byinyuma, ibiziga byamaboko hamwe niziga ryimbere.• Igikorwa cyo gufata ukuboko nuko umuntu usunika umusaza inyuma cyane cyane agenzura imiterere yintebe yimuga.Ingingo y'ingenzi ni uko ibikoresho na ergonomique ...
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