Explore a comprehensive 6-hour course on welding, covering various processes, techniques, and applications. Learn about different types of welding joints, gas welding, arc welding, and specialized methods like TIG, MIG, and plasma arc welding. Discover the principles behind resistance welding, soldering, and brazing. Examine welding positions, electrode types, and flux functions. Study advanced topics such as submerged arc welding, electroslag welding, and friction welding. Understand welding defects, heat-affected zones, and safety considerations. Gain practical knowledge on acetylene gas generators and welding techniques like leftward and rightward welding. This course provides a thorough foundation in welding theory and practice, suitable for beginners and those looking to expand their welding expertise.