Keywords
35 to 39 years, accessibility, adult, alone, analyzing, blue, blues, business, close, close-up, color, communication, concentration, contemplation, data, detail, display, educate, educating, education, engineer, engineering, environment, environmental issue, ethnic, eyeglasses, eyewear, flair, fossil fuel, fuel, gas, geologist, geology, glasses, goods, graphical screen, grave, green, head and shoulders, headshot, heavy industry, high visibility clothing, high visibility jacket, hispanic, hispanic ethnicity, holding, idea, illuminated, image lighting, indoors, industrious, industry, information, interaction, issue, labor, landform, latin, latin american, learning, light, lights, looking, looking away, male, man, mid adult, mid adult man, mind, networking, oil, oil fuel, one person, only adults, only men, only mid adult men, only one adult, only one man, only one mid adult man, outdoors, paying attention, pen, planning, portrait, power, power industry, preoccupied, professional, projection, protective clothing, protective workwear, reflect, reflecting, reflective, reflective clothing, research, rock, rocks, safety vest, screen, serious, single, skill, stationery, studying, technology, thought, view, view point, work, working, writing instrument, 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, u29319812