Kawasaki is a major industrial city located between Tokyo and Yokohama, and is known for its heavy machinery and technology industries.

The Toyota Prius, first introduced in 1997, is the world's first mass-produced hybrid car and has become a symbol of eco-friendly transportation.

The airbag, which was co-invented by Yasuzaburo Kobori and Allen K. Breed in the 1980s, has become a standard safety feature in automobiles worldwide.