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This document defines welding terms and symbols used in the welding industry. It discusses different types of welds like butt welds and fillet welds. It describes parts of welds like the weld face, root, and heat affected zone. It also covers weld sizes, positions indicated by numbers, and welding symbols used on engineering drawings to convey welding specifications in a standardized way. The use of common terminology and symbols helps eliminate misunderstandings for effective communication in the welding industry. - Download as a PDF or view online for free