<prompt> Ngwala tšwetšopele ya serapa se - Jiří Vrdlovec yo a belegwego ka 29 June 1956 ke mo-Czechoslovak sprint canoer le mo-marathon canoer yo a phadišanego mathomong go ya bogareng bja bo-1980. O thopile dimetale tše tshela go ICF Canoe Sprint World Championships ka gauta tše pedi C-1 10000 m: 1983, 1985  <response>: , e tee ya silifera C-1 10000 m: 1982, le tše tharo tša boronse C-1 1000 m: 1981, 1983; C-2 10000 m: 1981. 