Durum milling is a complex procedure involving repetitive grinding and sieving. Mucilage is obtained by mechanical milling (i.e. grinding) of the outer layer of the seed. A lapidarist uses the lapidary techniques of cutting, grinding, and polishing. The dominant industrial use of diamond is in cutting, drilling, grinding, and polishing. Bruxism is excessive teeth grinding or jaw clenching. A grinding wheel is an expendable wheel used for various grinding and abrasive machining operations. Larger aspheres are made by grinding and polishing. Stock removal blades are shaped by grinding and removing metal. Rod mills are less common than ball mills for grinding minerals. Zirconia is a component in some abrasives, such as grinding wheels and sandpaper. The dentition of hypocarnivores consists of dull, triangular carnassial teeth meant for grinding food. This residue can be removed by various means, such as grinding, or shot blasting. Also known as grinding, roughing or rough grinding. It is used primarily in cutter grinding and jig grinding. This process includes several steps such as filtration, evaporation, drying, grinding, and sifting.