Keywords
30-35, 30-35 years, 35-40, 35-40 years, adult, adults, adults only, african, african ethnicity, blue, blueprint, casual, casual clothing, caucasian, caucasian ethnicity, cloth, clothing, collar, communication, construction, day, denim, discussion, electricity, energy, equipment, ethnicity, expertise, eyewear, fuel, fuel and power generation, generation, group, hard, hard hat, hat, head, head and shoulders, hold, holding, industrial, industrial equipment, industry, manual, manual worker, men, mid, mid adult, mid adult men, multi-ethnic, multi-ethnic group, occupation, only men, open, open collar, outdoors, people, plant, power, power station, protective, protective eyewear, rolled, rolled up sleeves, shadow, shoulders, sky, sleeves, smoke, smoke stack, stack, stand, standing, station, structure, talk, talking, two, two people, up, worker, years, 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, 1574r-09083, 1574r 09083, 1574r09083