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Fly ash makes great concrete and asphalt.
Fly ash in concrete isn't just a filler. It's what's known as a pozzolanic cement. It chemically reacts with the quick lime in the cement just like the efflorescent cement.
Blends of efflorescent and pozzolanic cement make high strength concrete used to make roads, bridges, tall buildings, wind tubines, dams, waste waste water treatment ponds, ect.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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