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, agriculture, analysing, analyzing, assessment, black, careful, clean suit, color, color image, colour, commitment, concentrating, concentration, conservatory, danger, day, daylight, daytime, dedication, defending, developing, development, discovery, elderly, endangering, examining, experiment, expertise, farming, fellow, front view, future, futuristic, genetic modification, gentleman, greenhouse, growing, growth, guy, hazard, hazardous, hazmat, hazmat suit, head & shoulders, head and shoulders, horizontal, human, human being, husbandry, indoor, indoors, inside, jeopardizing, jeopardy, male, man, maturing, natural, nature, observation, of african descent, old, one, one person, people, perilous, person, photography, plant, protection, protective clothing, protective suit, r&d, research, research & development, research and development, retired, retirement, risk, risk-taking, safeguard, safety, science, scientist, scrutinizing, security, senior, senior adult, senior citizen, seventies, seventy, sixties, sixty, specialist, specimen, sterile, technician, technology, treacherous, vigilance, watching, 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, bld194037