Keywords
20s, 25-30 years, 30s, 40s, 45-50 years, 50-55 years, 50s, adults only, asian ethnicity, assistant, biology, black hair, board, case, chemist, color image, document, expertise, explaining, female, freezer, glasses, head and shoulders, healthcare and medicine, hi-tech, hi-technology, high angle view, horizontal, indoors, japanese ethnicity, lab coat, laboratory, laboratory dish, laboratory equipment, large group of objects, looking, male, man, mature adult, mature men, pen, petri dish, photography, professor, rear view, research, scientist, small group of people, talking, teaching, technology, two people, woman, young adult, young women, 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, u11593961