Kwinjiza
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Ibyuma bidahwitse
Ubusanzwe udusimba twinshinga mubisanzwe bifatanye neza na granite hejuru yisahani cyangwa granite imashini kugirango ukosore ibice byimashini.
Turashobora gukora ibice bitandukanye bya granite hamwe na t ibibanza, ikaze kutugeraho kubindi bisobanuro.
Turashobora gukora t ibibanza kuri granite mu buryo butaziguye.