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 kwe-insulation, ukumelana namakhemikhali, ukungabi nobuthi, i-flame reta ...
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