Masatsugu is my best friend.

Shosuke is my best friend.

Kazumasa is my best friend.

This electronic circuit is designed using positive logic.

Positive charge is a type of electric charge of matter.

It's very interesting to learn about the history of the Shōkei era.

Hiragana is one of the characters in Japanese.

I am a believer in Orthodoxy.

Monotremata is a part of mammals, and it has different characteristics from other animals such as birds and reptiles.

I have a pegboard in my garage for organizing tools.