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How to become a guru in work with Microsoft Excel
In order to improve the quality and efficiency of our employees' work, two-day training was organized on working with Microsoft Excel, led by a professional trainer. Many employees commended the level, flexibility and practicality of the course. In the near future, we expect another identical training for employees who did not attend the first course.

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7 common myths about drinking water and its sources
Many nonsense myths about water and its sources persist in the public sphere. This article will walk you through the most common and most recent ones.
Water in the oceans also poses a risk of radioactive waste contamination in addition to pollution caused by plastics. What danger does it represent?
The dumping of waste on the seabed began to be subject to active international regulations only in the 1970s.