Class D fires involve combustible materials primarily made up of certain metals like magnesium and titanium. Unlike other fire classifications, oil, paper, and common liquids are not part of Class D. Effective management requires special extinguishing agents tailored to these metals. ;
Class D fires involve combustible metals such as magnesium and titanium, while oil, paper, and common liquids do not. Firefighting for Class D requires specialized extinguishing agents designed for metals. Therefore, the correct option from the given choices is D: Metals.
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