Jet milling is a process used to reduce the size of particles by using high-velocity jets of air or steam. In this method, materials are fed into a milling chamber where they collide with each other and the chamber walls, leading to size reduction. The process is effective for producing fine powders with a narrow particle size distribution. This technique is commonly used in various industries, including pharmaceuticals, chemicals, and food processing. Jet mills can handle a wide range of materials, including brittle and heat-sensitive substances, making them versatile for different applications.