#19. Solar Thermal Installers and Technicians (tie)

- Importance of knowing a foreign language: 40 out of 100

Solar thermal installers and technicians help residential, industrial, and commercial properties meet their solar energy needs. Bloomberg Opinion says that just one of the top 10 solar-cell makers are from the U.S. Therefore, solar thermal installers and technicians may find themselves using a foreign language when trying to acquire equipment and troubleshoot systems from companies abroad.