There is a letter in the mailbox.

My friend came from the Philippines.

He tried to hitchhike for his trip.

He hitchhiked a long distance to travel.

I have been to Saint Vincent.

I want to go to St. Vincent.

In my house, it is a custom to brew tea in a tetsubin.

In this experiment, we measure the temperature in kelvin.

Kelvin is my best friend.

Leyden jars are often used in electrical engineering experiments.