Keywords
50 to 54 years, 50 to 59 years, adult, adult education, alone, class, classroom, college, computer, computer hardware, computer keyboard, computer monitor, contemplation, day, educate, educating, education, facial expression, hardware, head and shoulders, headshot, indoors, information technology, keyboard, learning, male, man, mature adult, mature man, mature student, mind, one person, only adults, only mature men, only men, only one adult, only one man, only one mature man, preoccupied, public services, reflect, reflecting, reflective, school, screen, single, sitting, smiling, social institution, student, technology, thought, university, using, using computer, 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, is099qt1d