1) Indawo ingahlengahlengiswa ngokobungakanani behagu, ukuba iyakwazi ukukhulisa, ilula kwaye iguquguquka
2) Ukuthintela ngokufanelekileyo ukuphuma kwesidoda, ukuphucula ukusebenza kakuhle kokuzala.
3) Uyilo olunemihlathi emithathu lunokulungiswa ibhotile kunye nebhegi, lusetyenziswe lula kwaye luzinzile.
2. Iimpawu zokusebenza
1) Indawo yokuma kwemingxunya emithathu ingalungiswa
ngokwe-tosows'bodysize
2) Ufakelo luzinzile kwaye akulula ukuwa
3) Ukubamba i-sowbewith kunceda ekuchumiseni
kwaye ithintela ukubuya kwe-backflow
