<prompt> Pedzisa mutsara unotevera: Vabereki vaSlater, Joan Dewhirst Slater naJohn Slater, vakakwikwidzana pamwe chete mukutamba pachando, vachipedza sirivha pa  <response>: 1952 na1953 World Championships. Vakanga variwo shasha dzomunyika dzebasa. Vakasiya basa kuti vadzidzise paLiverpool Rink ipapo Manchester Ice Palace uye pakupedzisira Altrincham Ice Rink. 