Keywords
20's, 25-29 years, 30's, 30-34 years, accessibility, advancement, answer, answering, builder, building, calling, caucasian, challenge, challenging, clip-board, clipboard, co-worker, collaboration, colleague, color, color image, colour, communicating, communication, concentrating, concentration, connecting, connection, construction, construction site, construction worker, convenience, conversation, cooperation, copy space, crew, day, daytime, development, digger, digging, equipment, excavating, excavation, excavator, front view, group, hard-hat, hat, hearing, hearing protection, high-visibility jacket, hold, holding, horizontal, lens flare, listen, listening, looking down, low angle, low angle view, machinery, male, man, mid adult, mid adult men, mobility, negative space, occupation, operating, outdoors, outside, people, person, phoning, photography, pondering, portable radio, progress, protection, quarry, ray, read, reader, reading, reflector-vest, responding, rubble, safety, safety-vest, security, serious, side view, solemn, standing, sunbeam, talk, talking, teamwork, technology, thinking, toiling, transportation, transporting, two, two people, use, using, waist up, waist-up, walkie-talkie, western european, white space, wireless technology, working, young adult, young men, 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, 412-01900, 412 01900, 41201900