i think of new ideas to save water, especially gray water. And also,
now focusing on to solve waste food composting....
i think of new ideas to save water, especially gray water. And also,
now focusing on to solve waste food composting.
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Tserendulam  Ulziisaikhan
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Tserendulam Ulziisaikhan Engineer i am mechanical engineer. i really want to help with my power and young age to save worlds and my countrys nature