Автоновинки
Due to the
- 23.10.2020
Due to the continuous transformation of calcium bicarbonate into a carbonate, the material becomes stronger, and the oxidation of iron salts gives the yellowish tint initially to light material.
Due to the continuous transformation of calcium bicarbonate into a carbonate, the material becomes stronger, and the oxidation of iron salts gives the yellowish tint initially to light material.