Ipamba ikomeye B umusego wubusa

Ibisobanuro bigufi:

Ipamba ikomeye B umusego wuburyo bw umusego, hamwe nubudodo bwiza, kandi imiterere yumusego w umusego uhuza intoki y umusego nta guhindura.Irashobora kuba hafi yuruhu mugihe uryamye mugongo.Guhumeka kandi neza, ntabwo byuzuye cyangwa bifatanye.Umuhengeri B ufite inkunga nziza, uhuza umurongo wumugongo wumugongo wumuntu, kandi ukuzanira ibitotsi byiza.Birakwiriye kuburiri bumwe muri dortoir, gutabara byihutirwa, nibindi.