<prompt> Kalima dǝga tǝmzǝ: Shiye kuru medal uwu fǝlezǝna suro FIBT World Championships dǝlan kuru jauro yakkǝ Two-man:  <response>: 1981, Four-man: 1977, 1981, silver fal Four-man: 1979, kuru bronze fal Four-man: 1978. 