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e40
on March 16, 2021
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A salt monopoly could spike car accidents in the M...
And sand is becoming a precious resource. I believe it's been discussed on HN before.
https://www.bbc.com/future/article/20191108-why-the-world-is...
njarboe
on March 16, 2021
[–]
There is plenty of wind-blown sand, which I imagine is fine for this snow-on-road use. Rough river sand is getting more scarce and smooth, wind-blown desert sand should not be used for making concrete.
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