Keywords
20-25, 20-25 years, 20-30, 25-30, 25-30 years, 3, 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, arranging, asian ethnicity, associate, black, blue collar worker, blue sky, blueprint, boatyard, building, business, business attire, business man, business suit, businessman, businesspeople, chinese ethnicity, clothes, clothing, co-worker, colleague, color, color image, colour, commerce, concentrating, concentration, constructing, construction, cooperation, coveralls, day, daylight, daytime, defending, displaying, dockyard, draft, drawing, efficiency, engineer, enterprise, equipment, evaluating, executive, exhibiting, explaining, far eastern, fellow, fifties, fifty, forties, forty, front view, full body, full length, full-length, garment, gentleman, gesturing, guy, hard hat, hard-hat, hardhat, hat, helmet, human, human being, industrial plant, industrialization, industry, inspector, job, male, man, manager, manual worker, mature adult, mid life, middle age, middle aged, middle-age, middle-aged, mixed race person, motioning, multi-ethnic group, natural gas, occupation, of african descent, oil, only men, organizing, oriental, outdoor, outdoors, outside, people, person, petroleum, photography, planning, pointing, protection, quality control, reader, reading, refinery, reviewing, safeguard, safety, safety-hat, security, shipyard, showing, sky, standing, storage, storing, suit, supervisor, three, three people, tool belt, toolbox, trade, twenties, twenty, vertical, 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, bld051866