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 the 'Velvet Revolution' in 1989 the education system in Czechoslovakia underwent transformative changes. Democratisation of education began in 1990. Private schools and 6- and 8-year general secondary gymnasia were introduced. Academic freedom of higher education was restored and bachelor's degree programmes were implemented. In 1992 the first education programmes involving the support of European Commission were launched. Changes were also made to financing of education. Education in Czechoslovakia The education system in the former state of Czechoslovakia built on previous provision, which included compulsory education and was adapted in some respects to the ethnic diversity of the region. During the