Ingafakwa kalula futhi ngokushesha ngaphandle kwamathuluzi asizayo.Indawo eshelelayo ayinakuthintana nensimbi, ngaleyo ndlela inciphisa ukulimala kwezingxenye zensimbi.Inomphumela wokudlidliza okudambisayo.Uma kuqhathaniswa nezinto ze-thermoplastic, umthamo wokuthwala umthwalo we-radial uyathuthukiswa.Izimo zokusebenza eziphuthumayo ezinhle kakhulu uma kungekho ukugcotshwa okwanele.Ukubekezelelana okunembile nokunemba kobukhulu.