Springs and suspension Automobiles 454 Design and construction 136 Steering-gear 118 Maintenance and repair 62 Wheels 39 Alignment 37 Motor vehicles 37 Dynamics 30 Automobiles, Racing 26 Automatic control 24 Magnetic suspension 22 PID controllers 20 Brakes 16 Suspension systems 13 Magnetic properties 12 Materials 12 Tires 11 Fibrous composites 10 Active automotive suspensions 8 Agriculture 8 Reinforced plastics 8 Steering gear 8 Examinations 7 Diesel trucks 6 Electronic equipment 6 Four-wheel steering 6 Mechanical engineering 6 Railroad trains 6 Shock absorbers 6