The Company is engaged in the business of manufacturing and processing various substrates and advanced materials that visually and texturally enhance structural materials. These substrates and advanced materials include (i) industrial abrasives which can be used for surface cleaning and surface preparation applications such as in cleaning steel structures, railcars, aircraft parts, and equipment in loose grain blasting operations; (ii) decorative particles (exposed aggregates) that visually enhance structural materials such as plasters, tiles, grouts, wall systems and roofing and flooring; and (iii) performance aggregates which can be used as structural and textural enhancers, fillers and...