It is also a term associated with colonialism. In recent times, brown has been used of Hispanics and South Asians in North America, many of whom self-identify as brown.
UL RATINGS. UL stands for Underwriters Laboratories, an independent organization dedicated to educating businesses and the public about safety and performance of products in a wide spectrum of industries.UL has been testing and rating products for more than 100 years, and evaluates nearly 20,000 products annually.The UL rating is an indicator of product quality and certification of safety.or example, the UL Class 350 1-hour fire rating means that the internal temperature of the safe will not exceed 350Â°F for at least 1 hour when exposed to external temperatures over 1700Â°F. A safe may have a 1-, 2-, or 3-hour time classification.
Elo rating system. Performance rating is a hypothetical rating that would result from the games of a single event only. Some chess organizations use the algorithm of 400 to calculate performance rating. According to this algorithm, performance rating for an event is calculated in the following way: 1  For each win, add your opponent's rating plus 400, 2  For each loss, add your opponent's rating minus 400, 3  And divide this sum by the number of played games.