Researcher Working with Pipette in Laboratory. Laboratory researcher filling test tubes with chemical liquid. Pipette dropping red sample into a test tube.

red, white, blue, background, person, people, liquid, blood, medicine, male, medical, man, industry, hospital, working, professional, test, tube, protective, education, sample, chemical, chemist, experiment, lab, laboratory, science, analyzing, chemistry, engineer, knowledge, research, scientific, tubes, beaker, biotechnology, scientist, pipette, researcher, Gray Hair, test tube, research laboratory, Protective Gloves, middle aged man, lab technician, protective eye wear, White Uniform, lab equipment, testing lab, glass dropper,