Dry mouth can be a result of nerve damage to the head and neck area from an injury or surgery. Dehydration . Conditions that lead to dehydration, such as fever, excessive sweating, vomiting, diarrhea, blood loss, and burns can cause dry mouth. Surgical removal of the salivary glands.
The Dewey decimal system is used in more than 200,000 libraries throughout the world and it has been translated into 35 languages. The Dewey decimal system, using numbers and letters, coordinates materials on the same subject and on related subjects to make items easier to find on the shelves..
The Library of Congress is the world's largest library, whose mission is to make its resources available and useful to Congress and the American public. In carrying out its mission, the Library increasingly relies on IT systems, particularly in light of the ways that digital technology has changed the way information is created, shared, and preserved.