Keywords
3, 30's, 30-34 years, 30-35, 30-40, 30s, 35-40, 40's, 40-44 years, 40-45, 40-50, 40s, 45-50, 50-55, 50-60, 55-60, adult, african, african american, african ethnicity, african-american, african-american ethnicity, afro american, afro-american, apparatus, asian, asian ethnicity, associate, black, blue collar, blue collar worker, boss, business, caucasian, cheerful, clip board, clip-board, clipboard, co-worker, colleague, color, color image, colour, commerce, confidence, confident, cooperation, engineer, enjoyment, equipment, factory, far eastern, fellow, fifties, fifty, forties, forty, front view, gaiety, gentleman, glad, gleeful, guidance, guy, happy, hard-hat, holding, horizontal, human, human being, indoor, indoors, industrial plant, industrialization, industry, inside, jolly, leadership, leading, lighthearted, looking at camera, machine, machinery, male, man, manufacturing plant, mature adult, mature men, merry, mid adult, mid adult men, mid life, middle age, middle aged, middle-age, middle-aged, multi-ethnic group, multicultural, multiculturalism, occupation, of african descent, oriental, people, person, photography, plant, portrait, portraiture, posing, positive, pride, protection, proud, safety, satisfaction, security, self-assured, smile, smiling, standing, team, teamwork, thirties, thirty, three, three people, together, togetherness, trade, waist up, waist-up, western european, worker, working together, 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, blm014428