Keywords
60's, 60-64 years, 60-65, 60-70, 60s, 65-70, 70's, 70-75, 70-80, 70s, 75-80, adult, advancement, african, african american, african ethnicity, african-american, afro american, afro-american, analysing, analyzing, assessment, beard, bend, bending, black, careful, close up, close-up, closeup, color, color image, colour, commitment, concentrating, concentration, considering, curiosity, curious, dedication, developing, development, discovery, elderly, examining, experiment, expertise, facial hair, fellow, fragile, front view, gentleman, glove, growing, growth, guy, head & shoulders, head and shoulders, holding, human, human being, indoor, indoors, inside, interest, lab, lab coat, laboratory, lifter, lifting, looking down, male, man, maturing, observation, of african descent, old, one, one person, people, person, petri dish, photography, picking up, pondering, r&d, raising, research, research & development, research and development, retired, retirement, rubber glove, rubber-glove, science, scientist, scrutinizing, senior, senior adult, senior citizen, serious, seriousness, seventies, seventy, sixties, sixty, solemn, somber, specialist, specimen, sterile, surface level, technician, technology, thinking, vertical, vigilance, watching, whisker, white coat, wondering, work, worker, 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, bld194006