Vehicles Design and construction 23 Automobiles 17 Safety measures 6 Airframes 5 Computer simulation 5 Fluid dynamics 5 Global system for mobile communications 5 Identification 5 Security measures 5 Springs and suspension 5 Structural analysis (Engineering) 5 Transportation 5 Arduino (Programmable controller) 4 Crashworthiness 4 Data processing 4 Dynamics 4 Electronic security systems 4 Fingerprints 4 Radio frequency identification system 4 Aerodynamics 3 Air flow 3 Automatic control 3 Collision damage 3 Simulation methods 3 Airplanes 2 Bluetooth technology 2 Brakes 2 Congresses 2 Drag (Aerodynamics) 2