Welding Theory

Covers SMAW, GMAW, FCAW, and SAW welding processes along with inspection and NDE/NDT methods. Developed by FHWA for highway infrastructure welding certification.

Department of Transportation

Comprehensive maritime welding reference covering all major processes, materials, consumables, and quality standards. Published by UNITOR (14th edition) for shipyard and marine professionals.

Wilhelmsen

Step-by-step MMAW training guide with practical exercises, safety procedures, and skill assessments. Published under CC BY 4.0 by the Western Australian Government.

Department of Training and Workforce Development

Complete arc welding training document from Fronius (2024) covering theory, equipment, electrodes, welding positions, safety, and certification. Includes comprehension questions for self-study.

Fronius International

Covers welding processes including oxy-acetylene, arc welding, and specialized techniques. Published by Indian Railways CAMTECH as a training reference for railway welding operations.

Gwalior Maharajpur