Njengoba imboni yemikhumbi yomhlaba wonke iqhubeka nokwanda, ukubaluleka kokunakekelwa kwesikebhe semikhumbi okusebenzayo akunakwenziwa ngokweqile. Isikebhe somkhumbi sidlala indima ebalulekile ekusebenzeni kwaso konke, sithonya izinto ezinjengokusebenza kukaphethiloli, isivinini, nomthelela wezemvelo. Izindlela zendabuko zokugcinwa kwesikebhe zivame ukubandakanya isikhathi esiphawulekayo nokusebenza ngezandla, okungabiza kanye nesikhathi-c
