Ibisobanuro byimirongo ibiri yumurongo uringaniza cyane cyane harimo urunigi rwumunyururu, umubare wihuza, umubare wizunguruka, nibindi 1. Icyitegererezo cyumunyururu: Icyitegererezo cyurunigi rwimirongo ibiri isanzwe igizwe nimibare ninyuguti, nka 40-2, 50 -2, nibindi Muri byo, umubare ugereranya uruziga rwumunyururu, ...
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