Book excerpt: Intended for technicians who install, troubleshoot, and service mechanical and electrical equipment and systems, this new book/reference covers operating principles and system applications. This book will clearly review the identification, application, and maintenance of individual components and how they work together in a system. Focusing on troubleshooting, this book is designed to be a practical guide with a "systems approach." Readers will understand specific equipment types and the entire system in which the equipment functions. KEY TOPICS: Predictive and preventative maintenance; lockout/tagout procedures; comprehensive coverage of lubricants and lubricating procedures; and the high-tech world of linear motion systems. MARKET: Technicians who work in manufacturing, transportation, construction, healthcare, and communications can all benefit from using this as a reference.