Concrete treatment by breaking the concrete glaze until the concrete grains will be extracted in the form of a mosaic.
Concrete is a granular mass of cement and water which hardens over time. Concrete is a building material made from a mixture of broken gravel, sand, cement, and water, which can be spread or poured into moulds and forms a mass resembling stone on hardening.
Concrete treatment in a second phase is difficult and requires specific machinery to be performed as a process.
Below you can watch concrete treatment video: