Keywords
1 person, 30, 30's, 30-35 years, 30-40, 30s, 35-40 years, adult, and operations research occupations, anxiety, asia, asleep, attache case, black hair, briefcase, business attire, business person, business wear, businessman, chair, chairs, chinese ethnicity, color image, colour image, computer, computers, day dream, daydream, daylight, daytime, desk, executive, executives, eyes closed, fatigue, fatigued, furniture, high angle, horizontal, laptop, laptop computer, male, man, mathematical, men, mess, messy, mid adult, mid thirties, middle age, middle aged, notebook, office chair, office table, one man only, one person, outdoor, outdoors, outside, overload, overwhelm, overwhelmed, overwhelming, paper, papers, park, parks, pressure, short hair, sitting, sleep, sleeping, strain, stress, stressed, stressful, suit, tension, thirties, thirty, tired, untidy, wireless, worry, 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, 01782ap08454