Keywords
40 to 49 years, 45 to 49 years, adult, alone, career, cell, cells, cellular telephone, communication, computer, concentration, consumer electronics, day, doctor, doctors office, educate, educating, education, electronics, ethnic, grave, health, healthcare, hispanic, hispanic ethnicity, holding, indoors, intelligence, interaction, lab coat, labor, laboratory, laptop computer, latin, latin american, learning, looking, male, man, mature adult, mature man, medical, medicine, mobile, networking, occupation, older, one person, only adults, only mature men, only men, only one adult, only one man, only one mature man, paying attention, problem solving, protective clothing, research, science, scientist, serious, single, smart, stethoscope, studying, technology, telephone, using, using computer, using laptop, work, working, 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, is09ai2e3