in this instance, a timer was used to open the doors two minutes before the city is sealed. the highest concentration is in the central and southern half of the country. the u.s. relay team set a new world record of 4:58.8 in the event final. most of the crew already desperately ill of tropical diseases, now had additional worries. smith's 1998 project attracted limited commercial attention, but was given critical praise for its traditional and contemporary style. the school has also reduced the number of students scoring "below basic level of math" by 46 percent. 