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..
Reference books are located on level 3. The Art Library and the Music Library have their own reference sections. Reference books are useful for quick fact checking and for background information. As such, they remain in the building. Examples of reference books include: almanacs, atlases, dictionaries, directories, encyclopedias and indexes. Other types of reference sources include: 1  bibliographies (lists of sources on specific topics)  biographical sources (information on the lives of individuals)