Iseti yeshawari iqinisekisa amava eshawa eyenzelwe wena kunye neshawari yedome evezwe ngaphezulu eyi-250 mm kunye neshawara yesandla esebenzayo emi-3 ehlengahlengiswayo.Ziyisiphumo esigqibeleleyo sombala ofanayo kunye nesitayile, ukwenziwa komgangatho ophezulu kunye nokusebenza okugqwesileyo, kukuqinisekisa ixesha elifanelekileyo lokuhlamba.