Chemistry. Chemist examining a blue chemical substance in a beaker.

---

Size: 4080px × 5436px
Photo credit: © CONEYL JAY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 40s, 49, 50s, adult, analysing, apparatus, beaker, blue, bubbles, bubbling, caucasian, chemical, chemicals, chemist, chemistry, coat, equipment, experiment, experimentation, experimenting, experiments, fifties, forties, forty, glasses, glassware, human, industry, lab, laboratory, liquids, male, man, middle-aged, people, person, reacting, reaction, researcher, scientist, single, standing, studying, substance, technology, watching, white, worker