Quarantine with a disinfecting stove, have a right to navigate the Canal, in quarantine, subject only to the landing of those who were suffering from plague. Plain yellow, green, and even black flags have been used to symbolize disease in both ships and ports, with the color yellow having a longer historical precedent, as a color of marking for houses of infection, previous to its use as a maritime marking color for disease. The present flag used for the purpose is the "Lima" (L) flag, which is a mixture of yellow and black flags previously used. It is sometimes called the
Flag of Australia service called the Commonwealth Flag Network, which gives information on national occasions to fly the flag at half-mast as well as national days of commemoration and celebration of the flag. The Australian National Flag may be used for commercial or advertising purposes without formal permission as long as the flag is used in a dignified manner and reproduced completely and accurately; it should not be defaced by overprinting with words or illustrations, it should not be covered by other objects in displays, and all symbolic parts of the flag should be identifiable. It also must sit first (typically, left) where