(Українська) Коли потрібно ставити протипожежні двері?

ACTON, CA - AUGUST 30: A Los Angeles County fire fighter monitors hot spots as he fights the Station Fire August 30, 2009 in Acton, California. The out of control Station Fire has burned more than 35,000 acres and is burning towards homes from Pasadena to the Antelope Valley. The wildfire, which broke out Wednesday afternoon near a ranger station and the Angeles Crest Highway above La Canada Flintridge, has forced thousands of evacuations as nearly 10,000 homes are threatened. (Photo by Justin Sullivan/Getty Images)