This book provides a comprehensive overview of a wide range of surfacing methods, detailing their physical basics and technologies. Each section of the book provides information on the formation of the structure and properties of the deposited metal, the reasons for the formation of defects, and directions for prevention. The book also covers the certification of surfacing procedures, adhering to international standards. With a focus on practical applications, the book is an essential reference for anyone working in the field of welding and related technologies. It includes detailed illustrations and diagrams, making it easy to understand and follow the concepts.