ZOKHUDZA-6891

  • AIMSTA-6891

    ZOKHUDZA-6891

    Kwa zaka makumi ambiri, zinthu zowonekera za PVC zidagawika kukhala zolimba komanso zosinthika, zomwe zagwiritsidwa ntchito mosiyanasiyana. Malinga ndi zokambirana zaposachedwa pankhani yoteteza chilengedwe ndi kukhazikika, magawo amsika amtsogolo adzakumana ndi zovuta zazikulu. Zida zopangidwa ndi malata, njira zina zothetsera mavitamini azikhala ovuta kwambiri. Pachifukwa ichi, ndikofunikira kulabadira malamulo osiyanasiyana, monga pharmacopoeia, chilolezo chokhudzana ndi chakudya, malamulo olowetsa mpweya m'nyumba kapena zoseweretsa. M'mbuyomu, malata, lead ndi barium ndizomwe zimagwiritsidwa ntchito kwambiri, koma ndi European Union yomwe imagwiritsa ntchito calcium zinc ndi barium zinc, zigawo zina padziko lapansi zikutsatira pang'onopang'ono izi ndipo zikusankha njirazi.