1. Dzivisa kusangana nemaoxidants akasimba.
Kemikari zvivakwa: Kuora kunoitika muchikamu chiri pamusoro pe200 ℃, uye shoma shoma yeasidhi kana alkali inogona kukurudzira kuora. Propylene glycol carbonate inogona kukurumidza hydrolyze muhupo hweasidhi, kunyanya alkali, pamhepo tembiricha.
2. Kutyisa kwechigadzirwa ichi hakuzivikanwi. Chenjerera kudzivirira chepfu ye phosgene panguva yekugadzirwa. Wekishopu inofanira kunge ine mhepo yakanaka uye midziyo inofanira kunge isina mhepo. Vashandi vanofanira kupfeka giya rekudzivirira.
3. Inowanikwa mumashizha efodya yakaporeswa uye utsi.