Yethula: Ezweni lobuchwepheshe elihlala lishintsha, amabhodi esekethe aphrintiwe (ama-PCB) awumgogodla wezinto eziningi zikagesi. Ngokuhamba kweminyaka, isidingo sama-PCB amancane, asheshayo, nasebenza kahle kakhudlwana siye sakhula, okuholele ekwandeni kocwaningo nentuthuko (i-R&D) kanye nezidingo zokusungula...
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