The process of using resu00ecduos from sawmills of ornamental stone (marble and granite) for the manufacture of blocks.This is a process whose main objective is the use of waste powder of sawmills of ornamental stone (marble and granite), using this powder to replace the sand in the production of blocks for construction and avoid these wastes are dumped half ambi Between the open sky, or damaging the phreatic water.
展开▼