Retort food is very convenient and has a long shelf life.

The teacher gave me a book.

The teacher gave me some advice.

Sodium carbonate is often used in the manufacture of detergents and glass.

He broke the glass carelessly.

His carelessness caused the accident.

He was paying attention to the teacher's talk during the class.

This issue requires attention.

This painting is very valuable.

He is an infamous criminal in that area.