They possess both practical and theoretical skills in mechanical engineering concepts, as well as knowledge of electrical power calculations, including water pump technology and how to determine the required capacity for irrigation projects through sprinkler irrigation or groundwater pumping. They also have experience in determining pump operating quantity control systems, as well as expertise in automotive mechanics and vehicle structures. They have the ability to understand and calculate the thermal energy produced by renewable solar thermal systems, and determine the appropriate system size for users' needs, in addition to knowledge of connecting these thermal systems, including circulation pumps, sensors, and safety components. They are familiar with safety and security rules in the workplace and have at least three years of experience.