Young female laboratory technician examining a conical glass Erlenmeyer flask filled with a green liquid solution while conducting chemical
Conical flask in scientist hand with lab glassware background, Laboratory research concept.
Chemical reaction in flask. Closeup. Shaking liquid in flask. Laboratory glassware. Laboratory equipment. Close up. Laboratory research. Scientific experiment. Chemical test in a glass flask
Chef is cooking ice cream with liquid nitrogen. A stainless steel dewar flask with liquid nitrogen. liquid nitrogen, flask
A laboratory technician conducts research in a science lab. Close-up shot.
Chef is cooking ice cream with liquid nitrogen. A stainless steel dewar flask with liquid nitrogen. liquid nitrogen, flask