Keywords
20's, 25-29 years, 30's, 30-34 years, 50-54 years, accessibility, advancement, answer, answering, builder, building, businessman, calling, challenge, challenging, clip-board, clipboard, co-worker, collaboration, colleague, color, color image, colour, communicating, communication, conference, connecting, connection, construction, construction site, construction worker, convenience, conversation, cooperation, crew, development, executive, flashlight, focus on foreground, front view, group, happiness, happy, hard-hat, hat, hearing, hearing protection, high-visibility jacket, hold, holding, illumination, lens flare, light, lighting, listen, listening, looking at camera, male, man, mature adult, mature men, meeting, mid adult, mid adult men, middle age, middle aged, mobility, occupation, operating, outdoors, outside, people, person, phoning, photography, pipe, portable radio, progress, protection, read, reader, reading, reflector-vest, responding, safety, safety-vest, security, serious, side view, smile, smiling, solemn, square, square image, standing, supervisor, talk, talking, teamwork, technology, three, three people, three quarter length, three-quarter length, toiling, torch, transportation, transporting, tunnel, use, using, view, viewing, waist up, waist-up, walkie-talkie, 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, 412-01917, 412 01917, 41201917