California Codes, Business and Professions Code - BPC, Division 3 — Professions and Vocations Generally, Chapter 7 — Professional Engineers, Article 3 — Application of Chapter, Section 6731.6
Mechanical engineering is that branch of professional engineering described in Section 6734.2 that deals with engineering problems relating to generation, transmission, and utilization of energy in the thermal or mechanical form and also with engineering problems relating to the production of tools, machinery, and their products, and to heating, ventilation, refrigeration, and plumbing. It is concerned with the research, design, production, operational, organizational, and economic aspects of the above.
Notes
Defines mechanical engineering as the professional-engineering branch dealing with engineering problems involving generation, transmission, and use of thermal or mechanical energy; production of tools, machinery, and their products; and heating, ventilation, refrigeration, and plumbing. Includes the research, design, production, operational, organizational, and economic aspects of those subjects within the branch.
Use as reference
Lexinter.net | California Code, Business and Professions Code - BPC § 6731.6 | https://laws.lexinter.net/codes/california/business-and-professions-code/division-3/chapter-7/article-3/section-6731-6