Public, academic and special libraries or other organizations that offer 3D printing services, a process that creates three dimensional solid objects from a 3D digital model, typically by laying down many layers of material in succession. Users make a virtual design, often a CAD (Computer Aided Design) file, of the object they want to create using a 3D modeling application. If making a 3D copy of an existing object, a 3D scanner can be used. The technology is significant because it offers direct manufacturing, i.e., a design that goes directly from the creator to the physical product using a computer and a 3D printer.
Large motor vehicles especially equipped to carry books and other library materials that travel to communities which do not have immediate access to a nearby library.
Libraries that offer special programs to acquaint children with library services and encourage them to read.
Libraries that arrange for the delivery by mail or volunteer messenger of books and/or audiovisual materials to people who, because of an illness, injury or disability, are unable to leave their homes to select their own reading and/or listening material in person.
Libraries or other organizations that maintain collections of nonprint literary and artistic materials (films and recordings and the equipment that is required for their enjoyment) which are made available to the community on a loan basis. Audiovisual resources include DVDs, audio books, music CDs and language instruction recordings as well as access to eBooks, eAudio and movie and television streaming services.
Public, academic and some special libraries or other organizations that acquire, house and make available to the community for purposes of research or appreciation, rare books, aggregations of printed works or manuscripts on a particular subject or by a particular author; artistic materials by a particular artist or representative of a particular era or style; or other collectibles that are rare, of special interest, of historical significance or of scholarly value. Also included are organizations that acquire, classify and make available to the community on a loan or distribution basis, special document collections or reading materials in a variety of language or special formats which enable people who have visual or hearing impairments or who read in a language other than English to enjoy leisure reading materials and selected nonfiction and reference works. Some collections include materials that require specialized security and user services.
The above terms and definitions are part of the Taxonomy of Human Services, used here by permission of INFO LINE of Los Angeles.