Intangiriro, ibinure byita cyane kubidukikije no gukoresha ingufu nshya.Fata "isi yicyatsi" nkuyobora umusaruro.Ibicuruzwa nyamukuru ni Nitrate, Zinc Sulphate, Sodium Metabisulphite, na Sodium Persulphate. Ibiro byacu