Ibisanzwe birimo ibice bimwe, ibice 5 cyangwa ibice 6 (ibinyabiziga byoherejwe hakiri kare), ibice 7, imiterere 8, ibice 9, imiterere 10, imiterere 10, ibice 11 na 12 imiterere (imodoka zo mumuhanda).Umuvuduko wa 8, 9, na 10 byerekana umubare wibikoresho byinyuma ...
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