Seat belt that required a particular technical approach would rapidly become dated as motor manufacturers would tool up for a particular standard which could not easily be changed. For example, in 1969 there were competing designs for lap and three-point seat belts, rapidly tilting seats, and airbags being developed. But as countries started to mandate seat belt restraints the global auto industry invested in the tooling and standardized exclusively on seat belts, and ignored other restraint designs such as air bags for several decades As of 2016, seat belt laws can be divided into two categories: primary and secondary. A primary seat
Education in Czechoslovakia of higher education dating from the Middle Ages. Charles University was founded in Prague in 1348, and the Universitas Istropolitana (Academia Istropolitana) was founded in Bratislava in 1465. Before World War I, education was the chief instrument for dealing with ethnic diversity. Perhaps in no other aspect of public life did Czechoslovakia more effectively address the disparities among Czechs, Slovaks, Hungarians, Ukrainians, and Germans. Eight years of compulsory education in the native language of each ethnic minority did much to raise literacy rates, particularly among Slovaks and Ukrainians. An expanded program of vocational education increased the technical skills of the