Ukusebenza komshini wokuncenga ngokuyinhloko kuwumumo wembali e-convex kanokusho enendawo encishisiwe kanye nesikhawu sokuminyana esihlukahlukayo.Indwangu ngemva kokusetha ukushisa inyusa kakhulu ukunwebeka kanye nomuzwa wezinhlangothi ezintathu, futhi isitayela sesigcawu esincishisiwe sihle kakhulu futhi sibukeka kahle.Umshini wokuncenga usetshenziswa kabanzi embonini yendwangu, futhi ungasetshenziswa ukwenza ihembe lendoda engcono kakhulu, isiketi, ithawula lokulenga lokuhlobisa, indwangu yokumboza, njll.