Who is the user of this software?

This bottle is reusable.

My company specializes in the manufacture of fine chemicals.

He likes to take a walk in the park at dusk.

This is my unused camera.

We should always remember the power of Kannon in difficult times.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.