This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories.

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This is the category for physics articles which are of NA-importance within physics on this scale. Place articles in this category by typing this on the article's talk page:

((physics|class= |importance=NA))

See also Category:Physics articles by quality.