Abstract
These books deal with various contractual aspects and with the unsafeness and safety of passenger cars. Different kinds of tyres and their properties are described. Advices are given to prevent a sideslip. Described are a number of precautionary measures which could make a car 100% safe. Tests are made of a great lot of car which cost less than F 15,000,--. All tested cars received a safety factor, and comparisons are made.