PJ of the day:
πππ
Is this a trick question?
https://www.siemens-energy.com/global/en/news/magazine/2020/repurposing-natural-gas-infrastructure-for-hydrogen.html
http://www.abc.net.au/news/2021-02-11/satellites-capture-scale-of-indian-glacier-collapse/13137924
No comments:
Post a Comment