Editing Micronization (section)

==Traditional techniques==
Traditional micronization techniques are based on [[friction]] to reduce particle size. Such methods include [[Milling (grinding)|milling]], bashing and [[Grinding (abrasive cutting)|grinding]]. A typical industrial mill is composed of a cylindrical metallic drum that usually contains steel spheres. As the drum rotates the spheres inside collide with the particles of the solid, thus crushing them towards smaller diameters. In the case of grinding, the solid particles are formed when the grinding units of the device rub against each other while particles of the solid are trapped in between.

Methods like crushing and [[cutting]] are also used for reducing particle diameter, but produce more rough particles compared to the two previous techniques (and are therefore the early stages of the micronization process). Crushing employs hammer-like tools to break the solid into smaller particles by means of impact. Cutting uses sharp blades to cut the rough solid pieces into smaller ones.