<prompt> Feleletša polelo ye e latelago: O thopile gape dimetale tše hlano go FIBT World Championships ka gauta tše tharo Banna ba babedi:  <response>: 1981, Four-man: 1977, 1981, e tee ya silifera Four-man: 1979, le e tee ya bronze Four-man: 1978. 