Book excerpt: The author provides guidance to lubrication practice in industry, with the emphasis on practical application. He covers the appropriate selection of lubricants for a wide range of uses and the factors that determine their suitability. Topics include: basic principles of lubrication; selection of lubricating oils; oil supply and systems, oil changing, and conservation; greases and anti-seizes; dry bearings, solid lubrication, and gas bearings; sealing; lubricant testing, specification, monitoring, handling and storage; health and safety.