<prompt> Ngwala tšwetšopele ya serapa se - Kálmán Petrovics ke mothuši wa seketswana wa Hungary yo a bego a phenkgišana magareng ga bo-1980 go ya mafelelong a bo-1980. O thopile sete ya dimetale ka moka ka K-4 10000 m tiragalo ka ICF Canoe Sprint World Championships ka gauta ka 1985  <response>: , silifera ka 1987, le gauta ka 1982 le ka 1986. 