1. Iindidi ezahlukeneyo kunye nobukhulu ngokwemfuno yomthengi: enkulu okanye encinci, i-span ebanzi, i-span eyodwa okanye i-multiples.Ubude bobude bungama-36m ngaphandle kwekholamu ephakathi.
2. Iindleko eziphantsi kunye neenzuzo zokulondoloza.
3. Ukwakhiwa ngokukhawuleza kunye nofakelo olulula: ukugcina ixesha kunye nokugcinwa kwabasebenzi, zonke izinto zenziwe ngefektri.
4. Ukunciphisa inkunkuma yokwakha, ixesha elide lisebenzisa ubomi: ukuya kutsho kwiminyaka engama-50.
5. Imbonakalo entle.