Technological and industrial history of 20th-century Canada engineer, George de Mestral, velcro, a two sided fastening technology based on hooks and loops, was introduced to a number of countries, including Canada, in the late 1950s. In Montreal, Velek Ltd. acquired the exclusive marketing rights for velcro in North and South America and Japan. The format for sound recordings changed in the years just following the war. In the US, Columbia Records introduced the long playing (LP) 33 format in 1948. Columbia made an agreement with Sparton Records, of London, Ontario, established in 1930, for the manufacture and distribution of its LP records in Canada. Not to be
Swiss-system tournament a variation called the Schenkel system. Like a Swiss tournament, the Schenkel ensures that after the first round teams will play against teams with similar levels of success so far. That means that after the first round the pairs for the second round would be first-ranked team against the second, third against fourth, and so on. In a true Swiss-style tournament all teams play in one group. However, in a curling arena there are a limited number of curling sheets available at any one time. Therefore, the teams are usually divided into groups, and the groups are rearranged after a