CRYSTAL MARK

chemical products, namely, abrasive powders, namely aluminum oxide, silicon carbide, bicarbonate of soda, walnut shell, dolomite, granite, glass beads, crushed glass, various plastics, and other finely grated granular materials for use in abrasive jet machines for sand blasting, abrading, beveling, deburring, etching, frosting, cutting, drilling, trimming, polishing, cleaning, deflashing, demarking, shaping and surface finishing