"In an easy-to-use matrix format, this wall chart outlines various methods that can be used to avoid or control potential deterioration of museum objects. The rows list nine agents of deterioration (direct physical forces: thieves, vandals, displacers;
fire; water; pests; contaminants; radiation; incorrect temperature and incorrect relative humidity), while the columns present three different levels at which the agents of deterioration can be controlled. The procedures column outlines actions that can be taken".
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