Careful removal of dust and dirt from books and documents, using appropriate procedures, equipment and instruments.

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Types of cleaning

We present two types of cleaning that differ in the scope of tasks included in the procedure:

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• Standard type: current hygienisation of archives – cleaning the exteriors of books
  and bundles of books.

• Conservation type: recuperation hygienisation – sheet-by-sheet cleaning,
  removal of oxidised metallic objects, replacement of supports.