<prompt> Qedela umusho olandelayo: UFranz Isenegger ungumshayeli we-bob waseSwitzerland owaqhudelana ekuqaleni kwawo-1980. Wathola izindondo ezimbili emdlalweni wabesilisa abane kuma-FIBT World Championships nge isiliva ku  <response>: Ngo-1981 futhi wathola umqhele wethusi ngo-1982. 