New top story on Hacker News: Rubber concrete that self-seals and is cheaper and more environmentally friendly
Rubber concrete that self-seals and is cheaper and more environmentally friendly
2 by atombender | 0 comments on Hacker News.
2 by atombender | 0 comments on Hacker News.
New top story on Hacker News: Rubber concrete that self-seals and is cheaper and more environmentally friendly
![New top story on Hacker News: Rubber concrete that self-seals and is cheaper and more environmentally friendly]()
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November 03, 2019
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