Ngokuphuhliswa okuqhubekayo kweshishini lezonyango, ukulahlwa kwenkunkuma efanelekileyo kube yingxaki ebalulekileyo. Uphuhliso lwenkunkuma yenkunkuma kwezonyango ijongene nemiceli mngeni emininzi, enjengomthamo olwandayo wenkunkuma yezamayeza kunye nemfuno yeendlela ezifanelekileyo zokunyanga. Abasebenzi bezezonyango badlala indima ephambili kule meko. Isixhobo sonyango olusebenzayo kwaye sithembekileyo sonyango, zibalulekile ekuqinisekiseni ukhuseleko lwendalo kunye nempilo yoluntu. I-acconelators yezonyango zibaluleke kakhulu kukhuseleko lwendalo. Banokunciphisa ukungcoliseka kwenkunkuma yezamayeza kumhlaba, imithombo yamanzi, kunye nomoya, ukunceda ukudala imeko yokuphila kunye nempilo. Kumazwe amaninzi, iindlela ezahlukeneyo zonyango lwenkunkuma ziyafuneka ngokomthetho. I-Mecan yezonyango inokuthi ibonelele ngentshukumo, izintyholo zonyango, unyango lwamanzi amdaka, iitoti zenkunkuma, kunye nezixhobo zonyango lwenkunkuma kuwe.