Keywords
30 to 34 years, 40 to 49 years, 45 to 49 years, accuracy, adult, advancement, blond, blur, brunette, caucasian ethnicity, clinic, close, close-up, colleague, color, control, cooperation, cooperative, dark hair, detail, differential focus, dna, educate, educating, education, enjoyment, examining, eye contact, eyeglasses, eyewear, facial expression, fair, female, focus, focus on foreground, focus techniques, formation, front, front view, fulfillment, genetic, glasses, good mood, grave, hair, hair color, hairstyle, head and shoulders, headshot, hierarchy, holding, holding up, hygiene, indoors, innovation, interaction, lab coat, lab technician, labor, laboratory, learning, looking, looking at camera, male, man, man-made model, man-made object, mature adult, mature man, mid adult, mid adult woman, model, molecular model, monitoring, observation, older, order, orderly, pleasure, portrait, precision, progress, protective clothing, research, research and development, result, sample, satisfaction, science, science collection, scientist, serious, shallow focus, short hair, smiling, stand, standing, stands, studying, synergy, team, teamwork, technology, test, testing, tests, two people, view, view point, white, woman, work, working, 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, u84940661