Mutsara 1: Kushandiswa kukuru kwephosphorus acid (basic lead acid) kugadzirwa kwephosphonic phosphite, iyo inogadzikana muPVC uye yakabatana ne chlorinated polymers. Mutsara 2: Kushandiswa kwakakosha kwe phosphoric acid (phosphoric acid) kugadzirwa kwebhasi lead phosphite, inova inogadzikana muPVC uye yakabatana ne chlorinated polymers. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
Kwete