<prompt> Bhala okuqhubekayo kwalesi sigaba - Lapho abawinile beqala ukwengezwa minyaka yonke ngemva kuka-1936, iningi laliboniswa ligqoke isigqoko sokuzivikela kwaze kwaba ngu-1970. UFloyd Davis, owanqoba lo mncintiswano ngo-1941 noMauri Rose, waboniswa engenaso isigqoko sokuzivikela, kuyilapho uRose ayeboniswe enaso. Ngo-1946, iningi laliboniswa lingenazo izibuko. Umfanekiso womnqobi ka-1957 uSam Hanks waba owokugcina owawunezibuko zokuzivikela. Umfanekiso womnqobi ka-1970  <response>: U-Al Unser ungowokugcina ukuboniswa egqoke isigqoko sokuzivikela ngaleso sikhathi, abashayeli babegqoka izigqoko zokuzivikela ezivala ubuso, ngakho-ke kwakungeke kwenzeke ukuthi abashayeli bagqoke izigqoko zokuzivikela. Lapho ephinda ewina ngonyaka olandelayo, umfanekiso wakhe ka-1971 waboniswa unezinwele zemvelo. Kuye kwaba umkhuba ovamile ukwenza isithombe esisha sabagibeli abawina ngokuphindaphindiwe, kuhlanganise nabashayeli abaye banqoba iminyaka elandelanayo. 