In this lake, denitrification is actively taking place.

This bacteria has the ability to denitrify nitrogen in water.

Sachio is my best friend.

Shichiro is my best friend.

Chisen always cheers everyone up with his smile.

Hachiro is my best friend.

The public order in this area is very good.

This terminal block is used for electrical wiring connections.

He stood in front of the lectern and began his speech.

Taiyo is my best friend.