This document provides an overview of ready-mix concrete (RMC). It discusses the history and development of RMC, which originated in Germany in 1903 and was first used in the United States in 1913. The document outlines the objectives, materials, equipment, and processes involved in RMC production. Key points include that RMC is a premixed concrete that uses aggregates, cement, water and sometimes additives. It is produced in batching plants then transported and mixed in transit mixers for delivery. The document also reviews quality checks, specifications, merits and limitations of using RMC.