To remove oxides and other debris from the surface of another material, shot blasting is a mechanical cleaning technique. Shot Blasting of Components in India is a type of abrasive blasting included in the same family as sandblasting, despite being less frequently mentioned. Shot blasting and sandblasting are primarily distinguished by the use of spherical shot as an abrasive media and a centrifugal wheel for propulsion in shot blasting, and the virtually sole use of compressed air in sandblasting. http://www.advancetechnologies.co/shot-blasting-of-components.html