10.1 Vehicles: Frame, Wheel, Ship Planks
10.1.1 Frame Material
10.1.2 Wheel and Rubber Tire
10.1.3 Ship Caulking and Tar
10.2 Power, Fuel, Engine
10.2.1 Fuel
10.2.2 Engine, Lubricant
10.3 Navigation: Compass
10.4 Infrastructure: Roads
10.4.1 Tar and Asphalt
10.4.2 Concrete
