AWS A2.4, Standard Symbols for Welding, Brazing and Nondestructive Examination; 2. AWS A3.0M/A3.0, Standard Welding Terms and Definitions Including Terms for Adhesive Bonding, Brazing, Soldering, Thermal Cutting, and Thermal Spraying; 3. AWS A5.1/A5.1M, Specification for Carbon Steel Electrodes,...