Ukubaleka okomileyo kwenzeka nanini na xa umqhubi welori esilela ukugqiba ukuthunyelwa kwempahla okanye ukuhanjiswa ngempumelelo. Kwiimeko ezinjalo, ixabiso elipheleleyo lohambo olongezelelweyo liya kuhlawuliswa okanye ngumqhubi welori.
Ukubaleka okomileyo kunokwenzeka ngenxa yezizathu ezahlukahlukeneyo, njengaxa kungekho kukhululwa kokuthunyelwa kwempahla. Kwimeko apho umqhubi weloli eze kuthabatha ukuthunyelwa kwaye akakhululwa ukuba athathwe, umqhubi welori kufuneka ahlawule ukubaleka okomileyo. Ukuxinana kwezibuko sesinye isizathu esinokubangela ukubaleka okomileyo. Ngamanye amaxesha, ngakumbi kwixesha lexesha eliphakamileyo ngamaxesha angaphambi koNyaka oMtsha waseTshayina, amazibuko anokuxinana kakhulu kangangokuba abaqhubi beelori banokukufumanisa kunzima okanye akunakwenzeka ukuba bathathe uthutho kumzamo wokuqala.
