Keywords
40's, 40-45, 40-50, 40s, 45-50, 50-54 years, 50-55, 50-60, 55-60, adult, african, african american, african ethnicity, african-american, afro american, afro-american, analysing, analyzing, assessment, beaker, black, bliss, cheerful, close up, close-up, closeup, color, color image, colour, curiosity, curious, defending, delight, delighted, enjoyment, examining, experiment, fellow, fifties, fifty, forties, forty, gaiety, gentleman, glad, gleeful, gratifying, guy, happy, head & shoulders, head and shoulders, health-care, healthcare, holding, horizontal, human, human being, implement, indoor, indoors, information, inside, intelligence, interest, jolly, joy, knowledge, lab, lab coat, laboratory, lighthearted, liquid, looking at camera, male, man, mature adult, medical care, medical science, merry, mid life, middle age, middle aged, middle-age, middle-aged, notation, noting, occupation, of african descent, one, one mature man only, one person, pen, people, person, photography, pleasing, pleasure, portrait, portraiture, posing, protection, r&d, rejoicing, research, research & development, research and development, rubber gloves, safeguard, safety, safety goggles, satisfaction, science, science lab, scientific experiment, scientist, scrutinizing, security, smile, smiling, specialist, sterile, technician, technology, test tube, testing, wet, white coat, wisdom, work, working, writing, writing instrument, 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, bld068613