Uma kukhulunywa ngamalebula azinamathela, wonke umuntu kumele aqale acabange ngesilwane ne-PVC, kepha wazi kangakanani ngamalebula okwenziwe ngesilwane ne-PVC? Namuhla, ake ngikubonise: umehluko 1 Isimo sezinto ezisetshenziswayo sihlukile: I-PVC, okungukuthi, i-polyvinyl chloride, umbala wokuqala uphuzi kancane ...
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