Keywords
40 to 49 years, 45 to 49 years, adult, alone, black, black color, caucasian ethnicity, coal, coal mine, coal miner, coal mining, color, day, engineering, enjoyment, environment, environmental issue, eye contact, fossil fuel, fuel, fulfillment, geology, good mood, goods, grave, green, hard hat, hard work, heavy industry, helmet, high visibility clothing, high visibility jacket, holding, industry, issue, labor, landform, looking, looking at camera, male, man, mature adult, mature man, mine, miner, mining, older, one person, only adults, only mature men, only men, only one adult, only one man, only one mature man, orange, orange color, outdoors, people, pleasure, power, power industry, pride, protective clothing, protective workwear, quality, real, reflective, reflective clothing, rock, rocks, safety vest, satisfaction, science collection, serious, single, stand, standing, stands, surface coal mine, surface mine, three quarter length, white, work, working, working hard, 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, u49238239