Izinhlobonhlobo zemikhiqizo ezahlukahlukene zisetshenziswe kabanzi emasimini amaningi ezimboni ezifana nerabha namapulasitiki, izimayini zensimbi, amandla okudla, ama-crane athandwa kakhulu emhlabeni ngenxa yokusebenza okuphezulu okuphezulu, intengo yokuncintisana ephakeme kanye nensizakalo efanelekile.