Author | Comment | Last activity | Moderation | ||
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HappyS5 | "Hello, Do a material balance around the water usage in home--see if the school will work with you too. After you have a week of measurements, impl..." | Read more » | almost 4 years ago | |||
HappyS5 | "Nice job. " | Read more » | almost 7 years ago | |||
HappyS5 | "Hello! @Matej What a wonderful need. You will be a useful person in your community if something happens. In the latter part of your note, you me..." | Read more » | about 9 years ago |