Crushers can improve downstream processing and handling by breaking up material lumps. While crushers traditionally have been applied to reducing rocks and ores in the minerals industry, the units are finding growing application in other industries, including chemicals, pharmaceuticals, foods, and waste-handling. An article in the November-December 2003 issue of Powder and Bulk Engineering concentrates on testing to find the right crusher for your material. After briefly discussing crusher basics and preliminary selection steps, the article describes how crusher tests are conducted and what they can tell you. Related information covers some common crushing terms.