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Clearance and fit
Fit includes the stored object, support layers, access space and the way the enclosure is opened. These are separate considerations.
This collection describes enclosure forms, access routes and documentation practices for paper-based material. It is intended for reading and planning, not for directing treatment of fragile objects. Fold diagrams and record examples are original illustrations with no associated collection or accession data. Material descriptions distinguish observed features from documented properties. Decisions about a real object, its condition and its environment require the relevant professional judgement.
Practical example
Describe where clearance is intended rather than providing one unexplained overall allowance.
An overly tight enclosure can impede access; an overly loose one can allow movement.