A technique for automatically generating a report comprising normalized differences in performance statistics between two separate periods. Erythorbyl laurate is confirmed to have antibiotic effects on Gram-positive bacteria and thus is used as an antibiotic agent in foods, cosmetics, feeds, and the like and utilized in the form of a hand cleaner and other medicines for external application. The geographic data may include sensor data or images. The air duct is for cooling air to flow through the air duct and is on the second surface. Accordingly, methods and apparatus herein advantageously require less computational complexity andor memory usage than that needed if estimating the required back-off based on similar metrics obtained for the multi-carrier signal as a whole. Generally, about 60 mg of Coenzyme Q10 is the normal amount provided daily to a healthy sedentary adult.