Preservation Services staff take you step by step through some techniques and tools for preserving collections. Book wrapping and encapsulation are just the beginning. Explore more conservation and digitisation videos Book wrapping Infrequently used deteriorated books can be wrapped in buffered paper or fitted with polyester book jackets. Encapsulation Encapsulation protects documents from rough treatment and holds fragile items together, but it is also reversible and does not harm the document with use of heat or adhesives. Map preservation How to look after your maps and preserve them for the future. Specialist techniques for digitisation Some of the equipment and techniques that are used to digitise State Library's collections.