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June 1942. "Why greases must be saved. A soldier of the home front -- and there's one in every American kitchen -- saves all waste fats and greases so that they can be processed into ammunition for America's soldiers on the battlefronts. Pan and broiler drippings, deep fats, renderings from bacon rinds: These are some of the fats which should be put through a strainer to remove meat scraps and other solids, and poured into wide-mouthed cans such as coffee or fat cans." 4x5 safety negative by Ann Rosener for the Office of War Information. View full size.