Mu gihe cyo gukora ibikoresho byo mu gikoni n'ubwiherero, ibikoresho 430, 304 by'icyuma kitagira umugese n'amabati bikunze gukoreshwa. Ubunini bw'ibikoresho bushobora kuva kuri mm 0.60 kugeza kuri mm 6. Kubera ko ibi ari ibicuruzwa bifite ubuziranenge kandi bifite agaciro kanini, igipimo cy'amakosa ...