Kuvanga ibikoresho nimwe muntambwe isanzwe muburyo butandukanye bwo gukora. Ibi bikoresho birashobora kuba muburyo ubwo aribwo bwose nk'amazi cyangwa bikomeye, kandi birashobora kuba bihamye, bishobora gutandukana, nka abrasive, bifatanye, granules, ifu yuzuye, nibindi byinshi. Hatitawe ku guhuzagurika, materia ...
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