Centrifuge category for separation and purification of liquid samples in quality control and research & development in manufacturing industry. Includes benchtop centrifuges, refrigerated centrifuges, high-speed centrifuges, and microcentrifuges for separation of blood, chemical samples, metal powders, and resin materials, precipitate collection, and supernatant recovery operations. Selected based on rotation speed (rpm), centrifugal force (G), and temperature control functions, including consumables such as dedicated rotors, test tubes, and centrifuge tubes. Distinguished from stirrers and shakers, specialized equipment for material separation using centrifugal force.