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
Compulsory education order to establish them in the society in future. Compulsory education Compulsory education refers to a period of education that is required of all people and is imposed by government. Depending on the country, this education may take place at a registered school (schooling) or at home (homeschooling). "Compulsory education differs from compulsory attendance, which means that parents are obliged to send their children to a certain school. Compulsory education involves both the duty imposed upon parents by law to see that their children receive instruction, and the prerogative of every child to be educated." International Covenant on Economic, Social