Gutunganya imiterere y'ubutaka bushya
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Gutunganya imiterere y'ubutaka bushya
Ibikoresho byo gupima neza n'ibikoresho byo gupima bizashira mu gihe cyo kubikoresha, bigatera ibibazo byo gukoresha neza. Utu duce duto two gusaza akenshi tuba duterwa no kugenda duhindagurika kw'ibice cyangwa ibikoresho byo gupima ku buso bw'icyuma cya granite.