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have a basic knowledge of the nature of metals;
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have a basic understanding of what causes metals to corrode;
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be able to take steps to minimise the corrosion of metals in your collections;
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be able to determine whether corrosion is active or passive;
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be aware of when and where not to apply chemical treatments to metals;
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know the correct treatments for particular types of metal; and
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be able to determine when it is necessary to seek professional assistance.