<prompt> Feleletša polelo ye e latelago: Benz, yo a belegetšwego Zurich, o thopile dimetale tše seswai go FIBT World Championships ka gauta e meraro Batho ba babedi: 1978, 1979; Batho ba bane:  <response>: 1981, silifera e mebedi Banna ba bane: 1977, 1978, le gauta e meraro Banna ba babedi: 1981, Banna ba bane: 1979, 1981. 