Ключевые слова: back, background, business, chair, comfort, computer, dreaming, elder, elderly, employee, ergonomics, eyesight, grandpa, gray, guy, health, internet, job, laptop, learn, lifestyle, male, media, men, mind, notebook, office, old, pc, pension, pensioner, position, profile, read, search, sedentary, senior, shirt, side, sitting, social, table, technology, think, user, using, vision, watching, white, work,