Comprehensive course for the CSLB trade exam.

According to the CSLB: California Code of Regulations Title 16, Division 8, Article 3. Classifications A welding contractor causes metals to become permanently attached, joined and fabricated by the use of gases and electrical energy, which creates temperatures of sufficient heat to perform this work. Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code).