فون سكل كاندي الجمجمة المطحنة بطاقة العليا هابيل Most Productive People: 6 Things They Do Every Day ... People work an average of 45 hours a week; they consider about 17 of those hours to be unproductive (U.S.: 45 hours a week; 16 hours are considered unproductive). We could all be accomplishing a lot ...
