Audio-visual media are fragile by nature, and some of them have only a short life span. This means that much maintenance work is needed on collections such as these. A continual programme of examination, repair and copying is in place, in order to secure the future of these materials.
The short-lived nature of some formats means that a wide range of obsolete machines has to be maintained. The collection is housed in purpose-built vaults where humidity and temperature are controlled to recognised professional standards.