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, digging, engineering, environment, environmental issue, examining, excavating, excavator, fossil fuel, fuel, geology, goods, green, hard hat, hard work, heavy industry, heavy machinery, helmet, high visibility clothing, industry, inspecting, issue, labor, land vehicle, landform, looking, machine, 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, power, power industry, precision, preparation, protective clothing, protective workwear, rock, rocks, science collection, scrutiny, single, stand, standing, stands, surface coal mine, surface mine, transit, transport, truck, vehicle, 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, u91289546