<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Kwakukhona futhi nomfanekiso owenziwe ngesikhathi esifanayo nokubuyiselwa kwaso.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Kwakukhona futhi nomfanekiso owenziwe ngesikhathi esifanayo nokubuyiselwa kwawo ngo-1990 okubekwa embukisweni uma izimo zezulu zenza kudingeke ukugcinwa okuphephile kwasekuqaleni. 