Mutsara 1: Kushandiswa kwakakosha kwe phosphorus acid (phosphonic acid) kugadzirwa kwebhasi lead phosphite, iyo inogadzikana muPVC uye yakabatana ne chlorinated polymers. Mutsara wechipiri: Kushandiswa kwakakosha kwephosphoric acid (base lead acid) kugadzirwa kwephosphorus phosphite, iyo inogadzikana muPVC uye yakabatana ne chlorinated polymers. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
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