Pack aging level option a high level technical option which structures the data according to content. Permanent paper Paper manufactured to high standard for long-term survival good condition under reasonable storage conditions. It must have good resistance to internal and external chemical reactions, good mechanical strength and be composed of only virgin, or un-recycled fibres containing no lignin. PICS Platform for Internet Content Selection, an infrastructure for associating labels with Internet content. Photography any method of producing an image by using the action of light to change a chemical layer.
Plain text file a human-readable file of data.
The data may be structured in some pre-defined format. Conservation and restoration procedures are part of a preservation policy. Print a positive image on an opaque support. The image may be a photographic still or produced from an engraved plate or similar master. Private data networks data networks owned by an organisation.