Keywords
2, 20-25, 20-25 years, 20-30, 25-30, 40-45, 40-50, 45-50, 45-50 years, 50-55, 50-60, 55-60, adult, african, african american, african ethnicity, african-american, afro american, afro-american, apparel, asian ethnicity, black, blue collar worker, book, building, business, business attire, business man, business suit, businessman, businesspeople, chinese ethnicity, clothes, clothing, color, color image, colour, commerce, constructing, construction, cooperation, day, daylight, daytime, defending, efficiency, engineer, enterprise, equipment, executive, far eastern, fellow, fifties, fifty, file, folder, forties, forty, front view, garment, gentleman, guy, hard hat, hard-hat, hardhat, hat, helmet, human, human being, industrial plant, industrialization, industry, inspector, job, looking at camera, male, man, manager, manual worker, mature adult, mid life, middle age, middle aged, middle-age, middle-aged, multi-ethnic group, natural gas, notebook, occupation, of african descent, oil, only men, oriental, outdoor, outdoors, outside, people, person, petroleum, photography, portrait, portraiture, posing, protection, quality control, refinery, safeguard, safety, safety-hat, security, standing, storage, storing, suit, supervisor, thing, trade, twenties, twenty, two, two people, vertical, waist up, waist-up, work, working, young adult, 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, bld051858