In this mine, work is being done to separate the gangue from the ore.

He is a famous jeweler.

Real analysis is a branch of mathematics that studies the properties of real numbers and the functions on them.

What is the right ascension of this star?

What is the right ascension of this star?

This subfossil shows the life of creatures from thousands of years ago.

He sat in the seat next to me.

He sat in the seat next to me.

Today's lunch is homemade sekihan made by grandma.

He became one-armed due to an accident, but his life is still positive.