Ключевые слова: adult, african, american, annoyed, background, bad, black, boy, business, chronic, conditions, corporate, depression, discomfort, distress, employee, ergonomic, ergonomics, ethnic, facial, frustrated, guy, handsome, head, headache, human, hurt, job, looking, male, massage, multicultural, muscle, office, people, person, portrait, pressure, professional, relief, sadness, spasm, strain, stress, student, tired, upset, white, work, young,