Origin [edit]. The systematic use of belt color to denote the rank was first used by Kano Jigoro, the founder of judo, who first devised the colored belt system using obi (sash), and awarded the first black belts to denote a Dan rank in the 1880s. Previously, Japanese Koryu instructors tended to provide certificates.
Everything for a safe and comfortable trip. Air safety is the theory, investigation, analysis, and categorization of flight failures (aircraft incidents and accidents), and the prevention of such failures through regulation, education and training.
The airbag system is one of the most important parts of your vehicle's safety components. Proper airbag deployment can ensure that you and your passengers survive a crash that you may have otherwise experienced serious injury or death as a result of. Airbag deployment has saved thousands of lives through the years.