Posted 3/19/2025 21:33 (#11154446 - in reply to #11154320) Subject: RE: Coal ash and rare earth elements
St.Clair Co. IL.
when I drove concrete truck we used coal ash (fly ash) in concrete, a by product they needed to get rid of, so are you telling me all those yrs. of using fly ash and still being used, they were using up rare earth materials?
just wondering
Bob
Coal ash and rare earth elements
