Ngokwesisekelo sendwangu yokukhipha ukhula, indwangu yokukhula enwetshiwe, elula futhi esheshayo, ingasetshenziselwa indawo encane yezihlahla zezithelo nensimu yemifino, yonga isikhathi nomzamo, indwangu kanye nendwangu yotshani yi-PP polypropylene material, encane futhi ephathekayo.