Keywords
30's, 30-35, 30-40, 30s, 35-39 years, 35-40, ability, adult, apparatus, business, caucasian, color, color image, colour, commerce, defending, equipment, expertise, factory, fellow, gentleman, guy, hard-hat, horizontal, human, human being, indoor, indoors, industrial plant, industrialization, industry, inside, know-how, machine, machinery, male, man, manufacture, manufacturing, manufacturing plant, metal, metal industry, mid adult, mid adult men, occupation, one, one person, people, person, photography, pipe, plant, protection, safeguard, safety, security, side view, skill, standing, steel, steel mill, steel worker, technique, thirties, thirty, three quarter length, three-quarter length, trade, western european, work, worker, working, 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, bld201383