1.Ibikoresho byo gukanika imashini nuburyo bwo gusya bukuraho ibice bya convex bisennye mugukata no guhindura plastike yubuso bwibintu kugirango ubone ubuso bunoze.Mubisanzwe, imirongo yamabuye ya peteroli, ibiziga byubwoya, sandpaper, nibindi bikoreshwa, cyane cyane mubikorwa byintoki, na p idasanzwe ...
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