it is a rock because it is made up of tiny rocks
yes
no, it's not a sedimentary rock
block machine,concrete block machine,and cement block machine and so on!
400x200x100mm cement block- 2.50 QR
silica
It wasn't rock, but cement. The Romans invented cement and used it on everything.
The foundation or all the exterior wall are built of cement block.
limestone is used to make cement
Limestone is refined to make portland cement.
The sedimentary rock that is used in making cement is limestone. Cement, which is used in making concrete, is a mixture of marl and lime.
19,000lbs of rock. 1340 sand. 338 cement.
Rock the Block was created in 2003.
thick brick