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Storage in badly aired humid rooms (such as cellars) or flooding make
documents damp which results in various kinds of damage. This example
shows the spectrum of damage which results from water and the consequent
attacks of microbes which find an ideal grazing pasture in the dampened
documents. Cellulose and glue are decomposed, weakening the materials
and resulting in the irretrievable destruction of the paper. Fungus
and bacteria are indicated by various shades of colour.
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