The tool — a subject, the device, the mechanism, the machine or the algorithm used for impact on object: its changes or measurement  for achievement of useful effect. At the heart of a design and rules of use of the tool the knowledge of the laws of a material world attached to the production technology lies
Abrasive materials are materials which are characterized by high hardness and are used for processing of a surface of various materials. Abrasive materials are widely applied during the grinding, a honingovaniye, superfinishing, polishing, cutting of materials, and also used in preparation and final processing of various metal and nonmetallic materials.
Abrasive materials for use are presented to the industries as abrasive tools and structures.