Amalebula elondolo enziwe ngezinto ze-PPS ezinzile futhi ezikahle. Le nto iyipulasitiki yobunjiniyela be-crystalline resin ephezulu eqinile enesakhiwo esizinzile. Inezinzuzo zokumelana nokushisa okuphezulu, ukusebenza kahle kokufakwa kwamakhemikhali, ukumelana namakhemikhali, ukungabi nobuthi, i-reta yomlilo ...
Funda kabanzi