Igishushanyo cyumuyaga kinetic, nkuko izina ribivuga, ni ukuzunguruka mu buryo bwikora ahantu h'umuyaga.Ubusanzwe bikozwe mubyuma, nkibyuma bidafite ingese, ibyuma, corten ibyuma.Hariho uburyo bwinshi bwibishusho byumuyaga, kandi iyo bizunguruka hanze, bizakurura abantu bose ....
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