Ngoku ngakumbi nangakumbi ishishini lineemfuno malunga nokufakwa kombhobho ocacileyo wePVC, Isetyenziswe ngokubanzi kwizicelo zeShishini, ukuvelisa, i-electroplating, i-photofinishing (ukugqiba ukukhanya), uphando lwezesayensi (i-laboratory), uphando lwebhayoloji, i-pharmaceutical a...
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