4 · Society, Civilization, Culture
47 · crafts and industries
47D · machines; parts of machines; tools and appliances
47D8 · tools, aids, implements ~ crafts and industries
47D8(+4) · tools, aids, implements ~ crafts and industries (+ materials processed ~ crafts, industries, agriculture)
47D8(+42) ·
tools, aids, implements ~ crafts and industries (+ stone ~ crafts, industries, agriculture)