Porogaramu:

Insinga ikomeye y'icyuma cya manganese, Ikwiriye gukoreshwa mu gukomereza umutwe w'inyundo, isahani y'inyundo n'ibindi bice bikomeye

Bikwiriye ibikoresho bikomeye byo mu ndobo, imashini zicukura amabuye y'agaciro n'ibindi bikoresho byangiritse

Bikwiriye gukomeresha ubuso bw'ibice byangiritse, nk'ibikoresho, icyuma gicukura, imashini zicukura n'ibindi.

Bikwiriye gucukurwa mu buryo buhamye

Bikwiriye ibice bikomeye biramba mu bushyuhe