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, agreement, apparel, arranging, associate, black, blueprint, building, business, business attire, business man, business suit, business woman, businessman, businesspeople, businesswoman, clothes, clothing, co-worker, colleague, color, color image, colour, commerce, companion, conference, constructing, construction, cooperation, crane, day, daylight, daytime, designer, draft, drawing, efficiency, engineer, enterprise, equipment, executive, face to face, fellow, female, fifties, fifty, forties, forty, gal, garment, gathering, gentleman, greeting, guy, handshaking, hard hat, hard-hat, hardhat, hat, helmet, human, human being, industrial plant, industrialization, industry, inspector, job, lady, male, man, manager, mature adult, meeting, men and women, mid life, middle age, middle aged, middle-age, middle-aged, mixed race person, multi-ethnic group, natural gas, occupation, of african descent, oil, organizing, outdoor, outdoors, outside, partner, partnership, people, person, petroleum, photography, planning, profile, protection, quality control, refinery, safety, safety-hat, security, shaking hands, shipyard, side view, side-view, smile, smiling, standing, storage, storing, suit, supervisor, team, teamwork, thing, three quarter length, three-quarter length, trade, twenties, twenty, two, two people, vehicle, vertical, welcoming, woman, women, 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, bld051942