4 ms·
Apparently in the trade "Cinder blocks" are referred to as CMU's (concrete masonry units). Just an FYI for anyone who wants to do more research.
by lostapathy 6y ago
Apparently in the trade "Cinder blocks" are referred to as CMU's (concrete masonry units). Just an FYI for anyone who wants to do more research.
- Animats 6y agoYes, with the decline of coal as a fuel, the supply of cinders is much diminished. Also fly ash, which is what the electrostatic precipitators at coal fired power plants pull out of the exhaust gases. Fly ash can be used in place of sand in cement.