In this Monday, March 5, 2018 photo, product manager, David Stermer, center, works on making terpenes as Project manager, Darius Bonds, foreground, works on making super lemon haze terpene at Ricca Chemical in Arlington, Texas. Ricca Chemical manufactures terpenes, organic chemical compounds that can be added to cannabis oil for aroma and flavor. (Vernon Bryant/The Dallas Morning News via AP)
