The 3D printing technology, developed by Dainippon Screen in the 1980s, has revolutionized manufacturing and made it possible to create complex objects with ease.
The electric toilet seat, which can be heated and has various cleaning and drying functions, has become a popular feature in Japanese households.
Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.