What are some examples of enumeration paragraph?

there are three basic kinds of materials which can be found in a good library. The first kind of materials are books on all subjects , both in English and many other languages. Books can generally be checked out of the library for a period of two or three weeks. The second kind of materials are reference books, which include encyclopedias, atlases, dictionaries. there materials can be used only in the library.

The second kind of materials are periodicals such as magazine, newspapers, journals,etc. Like references books,periodicals usually can not be removed from the library. In conclusion , a good library should have all these three kind of materials.