Keywords
60's, 60-64 years, 60-65, 60-70, 60s, 65-70, 70's, 70-75, 70-80, 70s, 75-80, accessory, adult, african-american ethnicity, asian, asian ethnicity, beaker, bliss, cheerful, chemical, chemist, chemistry, color, color image, colour, confidence, confident, defending, delight, delighted, elderly, enjoyment, experiment, eye-glasses, eyeglasses, far eastern, fellow, front view, gaiety, gentleman, glad, glasses, gleeful, gratifying, gray, gray hair, grey, grey hair, guy, hair, happy, hispanic, holding, human, human being, indoor, indoors, inside, jolly, joy, lab, lab coat, laboratory, latin, latin american, latin american and hispanic ethnicity, lighthearted, liquid, looking at camera, male, man, merry, mixed race person, native american, native american ethnicity, old, one, one person, oriental, pacific islander, pacific islander ethnicity, people, person, photography, pleasing, pleasure, portrait, portraiture, posing, protection, protective eyewear, r&d, rejoicing, research, research & development, research and development, retired, retirement, rubber-gloves, safeguard, safety, satisfaction, science, scientific, scientist, security, senior, senior adult, senior citizen, senior men, seventies, seventy, sixties, sixty, smile, smiling, specs, spectacles, standing, three quarter length, three-quarter length, toiling, two objects, vertical, wet, white coat, 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, bld108969