Mills, specifically comil, cone, or conical mills, are types of equipment used in various industries for size reduction and particle size control. These mills are designed to grind, crush, or pulverize materials into smaller particles or powders. Comil mills, also known as conical mills, are widely used in the pharmaceutical, food, and chemical industries. They consist of a cone-shaped rotor that revolves inside a stationary conical screen. The material to be processed is fed into the top of the mill and is forced through the screen by the rotating blades. The size of the particles is determined by the size of the holes in the screen, which can be easily changed to achieve the desired particle size. Cone mills, on the other hand, are similar to comil mills but have a different design. They have a conical-shaped rotor that revolves inside a conical screen, creating a vortex-like motion. This motion helps to improve the efficiency of particle size reduction and ensures a more uniform particle size distribution. Conical mills, as a broader term, can refer to both comil and cone mills. They are characterized by their conical shape and the use of a rotating rotor inside a stationary screen. These mills are known for their versatility and ability to handle a wide range of materials, from powders to wet or sticky substances. In summary, mills such as comil, cone, or conical mills are essential equipment in industries where particle size reduction and control are crucial. They offer efficient and precise grinding or pulverizing of materials, allowing for the production of uniform particles or powders. These mills are widely used in pharmaceutical, food, chemical, and other industries that require size reduction processes.