Wari uzi ko ipamba yerekana amajwi ipiganwa?Nigute ushobora gutandukanya urwego rwamajwi yerekana amajwi?Reka tubimenye hamwe:
Icyiciro A: ibikoresho byubaka bidashya, ibikoresho bidashya cyane;
Urwego A1: nta gutwikwa, nta muriro ufunguye;
Icyiciro cya A2: ntigishobora gukongoka, gupima umwotsi, kugirango ube wujuje ibisabwa;
Icyiciro cya B1: Ibikoresho byubaka bya flame-retardant, ibikoresho bya flame-retardant bifite ingaruka nziza zo kwirinda umuriro, biragoye gufata umuriro mukirere cyangwa munsi yubushyuhe bwo hejuru, ntibyoroshye gukwirakwira vuba, no gutwika iyo inkomoko yumuriro yakuweho ihagarare nonaha.
Icyiciro B2: Ibikoresho byubaka bishobora gutwikwa, ibikoresho byaka bifite ingaruka zimwe na zimwe zo gukumira umuriro, bizahita bifata umuriro kandi bitwike iyo bahuye n’umuriro ufunguye mu kirere cyangwa bitewe n’ubushyuhe bwo hejuru, byoroshye gutera ikwirakwizwa ry’umuriro, nkibyo nkinkingi zimbaho, ibisenge byimbaho, imbaho zimbaho, ingazi zimbaho nibindi.
Icyiciro B3: Ibikoresho byubaka byaka, nta ngaruka mbi yo gukumira umuriro, birashya cyane kandi bifite ingaruka zikomeye zumuriro.
Igihe cyo kohereza: Gashyantare-10-2022