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
Transport in Czechoslovakia status and maintenance of the system remained inadequate for the country's needs. As a landlocked country, Czechoslovakia has no maritime ports. There were maritime ports rented for 99 years. The last one rented was in Sczetin Poland and Hamburg Germany. Czechoslovakia had an ocean fleet of about 47 cargo ships. The fleet was dissolved and privatized by communist crook Kožený during the 90's after velvet revolution. In the mid-1980s, the country's overseas trade passed through East German, West German, Polish and Yugoslav ports. The Labe and Danube rivers were both navigable in Czechoslovakia. In the 1980s, the Vltava was carrying