1. Ukungena komthungo, ukubumba ubuhle obunomtsalane begophe
2. Izinqe zepakethe ezimacala amathathu, hayi ukupinkisha esinqeni hayi ukugoba
3. Ilaphu lesilika yomkhenkce elikhethiweyo, elitsha kunye nesilika, lichasene nemibimbi kwaye linganxibi.
4. Isinqe esiphezulu sesisu, i-elasticity ephezulu ayiqengqelekiyo
5. Ukubunjwa kwegophe, nxiba umzimba olungileyo
6. Iqinile kodwa hayi ukukrwitsha, akukho lula ukuyiguqula