1. Osayizi abahlukahlukene, bazivumelanisa nemvelo yokusetshenziswa ehlukahlukene, bakunikeze ukukhetha okwengeziwe.
2. Isisindo senetha esanele, awekho abafikayo.
3. Ngaphandle kwesisindo esijwayelekile, olunye uchungechunge lwesisindo ongazikhethela luyatholakala.Inzima futhi ilula.
4. Izindinganiso eziqinile.Ngokulinganisa kwerula.Amazinga okuhlola amazwe ngamazwe.
5. Ukuqina <180.Ukusebenza okuhle 100%.
6. Lokhu kufakwa kuxhumeke kakhulu kumapayipi ngamanzi, uwoyela, umoya, igesi yamalahle njll. njengemidiya.