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...Module unit nsnt ball milling is an economic and facile technique to produce nanosized materials it a top down approach of nanoparticle synthesis which includes mechanical breakdown large substances into smaller one used in producing metallic as well ceramic nanomaterials this the readers will learn working principle applications mill basic very ancient however machine itself could be produced only after industrial revolution typically grinder often employed blend by grinding crushing them for potential mineral dressing processes paints pyrotechnics ceramics selective laser sintering based on impact attrition caused balls dropping from shell breaks particles thereby resulting reduction size hollow cylindrical rotated about its own axis either horizontal or slightly inclined making small angle with partially filled form medium these are usually made up steel flint pebbles hard rubber inner wall generally contains coating abrasion resistant material e g manganese lined coated mills cause...