Xianghai Igikoresho gishya cyo guteka gikoreshwa vuba aha, twakoze igishushanyo gishya cya Bakelite yumukiriya.Ubwa mbere, dukeneye kugenzura imiterere yibikoresho byo guteka, tuzagenzura uburyo igice cyigikoresho kigenewe, nubwoko ki bwakoreshwa neza.Dore igishushanyo cyacu gishya, kivanze n'imigenzo igezweho....
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