LEVEL UP 2022
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- Level UP 2020
- Level UP 2018
- Level UP 2017
- Level UP 2016
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Archive
- Level UP 2020
- Level UP 2018
- Level UP 2017
- Level UP 2016
Materials
Photo
Video
Press releases
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Oleksii Khabatiuk
Head of the Department of Energy Efficiency, NJSC Naftogaz of Ukraine
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