Isikhwama se-nylon esezingeni eliphakeme nesimfashini esiphakeme, indwangu yendwangu ye-nylon inezimpawu zokuphindaphindeka kwamanzi, ukumelana nokuqhekeka nokuphikiswa kwezinyembezi.
Izindwangu ezisezingeni eliphakeme ezisezingeni eliphezulu futhi ezinemvelo ezungeza imvelo, okufakazelwa amanzi, kungavikeleki futhi kungavikeleki izinyembezi. Kuklanywe ngesikhwama esikhulu samandla amakhulu nezikhwama eziningi ezisebenzayo.