• 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
• 46 · social and economic life, transport and communication

46C · traffic and transport

• 46C1 · traffic on land
• 46C2 · traffic on the water
• 46C3 · airborne traffic, aviation
• 46C4 · astronautics, space-travel, interplanetary travel
• 46C5 · travelling; tourism
• 46C(+9) · traffic and transport (+ accident, collision, crash ~ traffic and transport)