Izici zekhreyithi Lezithelo nemifino:
1. Umnotho (ongasetshenziswa kabusha)
2. Ukuvikelwa kwemvelo (ukuvikela imvelo)
3. Inhlanzeko (i-asidi, i-alkali, isikhutha, umswakama, inundu)
4. Kuphephile (akukho ama-spikes, akukho misebe, akunabuthi futhi akunambitheki)
5. Elula (asikho isidingo sokukhanda nokuphatha kalula).