Keywords
40's, 40-45, 40-50, 40s, 45-50, 50-54 years, 50-55, 50-60, 55-60, accuracy, adding, adult, african, african american, african ethnicity, african-american, afro american, afro-american, analysing, analyzing, assessment, beaker, black, blending, careful, caution, close up, close-up, closeup, color, color image, colour, combining, concentrating, concentration, curiosity, curious, defending, discretion, dropper, exactitude, examining, experiment, fellow, fifties, fifty, filling, foresight, forties, forty, gentleman, guy, head & shoulders, head and shoulders, health-care, healthcare, holding, horizontal, human, human being, indoor, indoors, information, inside, intelligence, interest, knowledge, lab, lab coat, laboratory, lifter, lifting, liquid, male, man, mask, mature adult, medical care, medical science, mid life, middle age, middle aged, middle-age, middle-aged, mixing, mixture, occupation, of african descent, one, one mature man only, one person, people, person, photography, picking up, portrait, portraiture, precaution, precision, protection, prudence, r&d, raising, research, research & development, research and development, rubber glove, safeguard, safety, safety goggles, science, science lab, scientific experiment, scientist, scrutinizing, security, serious, seriousness, single object, solemn, somber, specialist, sterile, surgical mask, technician, technology, testing, wet, white coat, wisdom, 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, bld068635