He works at the Ministry of Health, Labour and Welfare.

Let's refrain from using air conditioning for energy saving.

He works at the Ministry of Health, Labour and Welfare.

He is working at the ministry.

He finished the job in a short span of time.

He finished his work in a short time.

This old document is very important for understanding our history.

He was confused after reading the bizarre document.

He went to the archives to find important information.

Her graceful movements are just like a ballerina's.