Keywords
40's, 40-45, 40-50, 40s, 45-50, 50-55, 50-60, 55-59 years, 55-60, access, accessory, adult, advancement, agriculture, botanist, botany, checking, color, color image, colour, communicating, communication, computer, concentrating, concentration, connecting, connection, connexion, conservatory, convenience, day, daylight, daytime, development, digital tablet, e-book, e-reader, ecology, electronic book, electronic device, examining, expertise, eye-glasses, eyeglasses, eyeing, farming, fellow, fifties, fifty, focusing, focussing, forties, forty, gentleman, glasses, gray, gray hair, greenhouse, grey, grey hair, growth, guy, hair, head & shoulders, head and shoulders, hispanic, holding, human, human being, husbandry, indoor, indoors, inside, internet, joining, lab coat, latin american, latin american and hispanic ethnicity, latino, looking, looking up, low angle, low angle view, male, man, mature adult, mature men, mid life, middle age, middle aged, middle-age, middle-aged, mobility, natural, nature, occupation, one, one person, online, operating, people, person, photography, plant, portability, r&d, research, research & development, research and development, science, scientific experiment, scientist, scrutinizing, scrutiny, seeing, serious, seriousness, side view, solemn, somber, specs, spectacles, standing, tablet computer, technology, using, vertical, viewing, vine, white coat, wireless, wireless technology, work, working, world wide web, 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, bld204067