Iyo ushyizeho amagorofa yazamuye, intambwe zikurikira zirakurikizwa:
1. Gupima no gushyira akamenyetso hasi kugirango ushireho neza inkunga;
2. Shyiramo inkunga hanyuma uhindure uburebure kurwego rwifuzwa;
3. Shyira ibiti hamwe na panne hasi, urebe ko biringaniye kandi bihamye. Igorofa yazamuye iza mubikoresho bitandukanye, harimo - ibyuma byose, aluminiyumu, na calcium sulfate, hamwe nibikoresho bitandukanye bikwiranye nibisabwa bitandukanye.
