In this experiment, we will observe the crystallization of naphthalene.

Phthalazine is a compound often used in organic chemistry.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

I would like to visit the Dead Sea someday.

He is thoroughly implementing safety measures for electrical work to avoid electrocution.

He was electrocuted.

In Japan, karoshi has become a social issue.

He was afraid of dying alone.

He died a lonely death.