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1 · Religion and Magic
2 · Nature
3 · Human Being, Man in General
4 · Society, Civilization, Culture
5 · Abstract Ideas and Concepts
6 · History
7 · Bible
8 · Literature
9 · Classical Mythology and Ancient History
Top
4 · Society, Civilization, Culture
47 · crafts and industries
47C · industrial processes, handling of materials
47C5 · smoothing, polishing, etc. (industrial processes)
47C51 · smoothing, flattening (industrial process)
47C55 · sharpening, grinding (industrial processes)
6 available