<prompt> Bhala ukuqhubeka kwalesi sigaba - UHelm uphinde wathola izindondo ezingu-19 kuma-ICF Canoe Sprint World Championships ngezindondo zegolide eziyishumi K-1 1000 m: 1978, 1979, 1981, 1982, 1983; K-2 500 m: 1978, K-4 500 m: 1983, K-4 1000 m: 1978, 1979, 1981, eziyisithupha zesiliva K-1 1000 m: 1977, K-2 500 m: 1979, K-4 500 m: 1982, K-4 1000 m: 1975  <response>: Ngo-1982, 1983, kanye nezithathu zethusi K-1 1000 m: 1975, K-2 1000 m: 1974, K-4 500 m: 1981. 