- chief of timekeeping
- главный хронометрист
English-Russian cross-country skiing. 2014.
chief of timekeeping
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History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… … Wikipedia
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