Ngenxa yezidingo ezikhethekile zokupakishwa ngamakhemikhali, usimende, umanyolo, ushukela kanye nezinye izimboni, ingxenye enkulu yezikhwama ezilukiwe zepulasitiki kumele ibe nomsebenzi wokuvalwa kwangana manzi, futhi izikhwama ezihlanjululwe zizohlangabezana nalesi sidingo. Uma kuqhathaniswa nezikhwama ezijwayelekile ezilukiwe, izikhwama ezilukiwe ezakhiwe zimbozwe ngesendlalelo sefilimu le-PP angasebenzisi amanzi, bese senziwa futhi sanyatheliswa ngezindlela ezahlukahlukene zamaphethini nemishwana yokuphromotha.
p>Isampula1
USampula2
Umniningwane