Keywords
beaker, caucasian ethnicity, color, colour, culture, development, elderly man, female, front view, grey hair, holding, horizontal, indoor, lifestyle, light, liquid, looking at camera, machinery, male, man, mixture, one person, portrait, protective glasses, protective suit, protective work wear, r & d, r & d matters, r&d matters, research, sample, science, scientific experiment, scientists, solution, standing, surgical gloves, technician, technology, test tube, tube, two people, waist up, woman, young woman, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u11765680