1. Ibice byatunganijwe nibicuruzwa byarangiye ntibishobora kujugunywa hanze kugeza byemewe nuburambe.
2. Abari mu buso bwo hanze bwa pope isusurutsa isukuye, gusukura, gusudira
3. Niba hari amavuta n'amavuta hejuru yumuyoboro usutswe, ugomba gusukurwa mbere yo gukuraho ingendo. Niba hari amavuta akaze kandi amavuta ku gice cyakarere, uburyo bwo kujugunya igice mubisanzwe; Niba hari ahantu hanini cyangwa uturere twose, urashobora guhitamo igisubizo cyangwa alkali ashyushye kugirango isuku.
4. Iyo hari acide, alkalis, numwoganya hejuru yumuyoboro usutswe Ariko, kwitabwaho bigomba kwishyurwa kujugunya amazi, bidashobora gutuma umwanda wangiza ibidukikije.
5. Imiyoboro yicyuma idafite ibyuma yambaye amarangi igomba gutangizwa ukurikije ibihe byihariye. Niba gusiga amarangi ari ibintu bibiri bigize ukikizwa numukozi ukiza, kandi igikoma ni gito cyane, birashobora kuvurwa hamwe na velve cyangwa iturika ryibiti, hanyuma umukungugu urashobora kuvaho, hanyuma umukungugu urashobora kuvaho, hanyuma umukungugu urashobora kuvaho.
6. Gukunda kwikiza primer cyangwa ibisanzwe byinyuma byumuyoboro usuye usutswe usanzwe ugenwa ukurikije imiterere yipantaro hamwe nisoni ikurikira. Ikintu cyose kidashobora gukoreshwa mugukunda cyangwa bigira ingaruka kumpingitoko zikurikira zigomba gukurwaho zuzuye.
Igihe cya nyuma: Ukuboza-18-2019