calcina 21
It's a snping tipping. It means overdue to heat. Carbonize, incinerate, burn, burn. Figuratively dry, burn, dehydrate. It is also the name of a type of building material. It can be mixture of lime, sand, cement and water or mortar and crushed. Concrete, concrete . It is also a mixture for the manufacture of enamels, which has metal oxide, silica grit and potassium carbonate.