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Change log
- V. 1.1: changed the title.
- V. 1.2: changed the order of the sections; edited the text; added section about the history.
- V. 1.3: changed the title; edited the text.
- V. 1.4: added 'Skier's balance' to the list of determining factors.
- V. 1.5: added video to Introduction.
Continue to Improvement 7 →
