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Polystyrene ke Eng?
Polystyrene ke polasetiki e sebetsang ka bongata e sebelisoang ho etsa lihlahisoa tse ngata tse fapaneng tsa bareki.Joaloka polasetiki e thata, e tiileng, hangata e sebelisoa lihlahisoa tse hlokang ho hlaka, tse kang ho paka lijo le lisebelisoa tsa laboratori.Ha e kopantsoe le li-colorants tse fapaneng, li-additives kapa li-plastiki tse ling ...Bala haholoanyane
