FORMULATION OF EXPANSIVE MORTAR TO TILL THE STONES USING NON-METALLIC MINERALS OF NORTHEAST OF COUNTRY
One of the most significant methods of advanced technology for mining, the rock massif is employing expansive mortar for cutting of Rock.Furthermore, the entire expansive mortar commercialized in the Brazilian domestic market are Ball - Shoes TPU - Womens imported, as well as those in industrialized country.Both have components from the external ma