My mother makes Kyaraben for me every day.

He seems like a wolf in sheep's clothing, but he is actually a very kind person.

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

This check valve has the role of preventing water from flowing backwards.

Diseases of the mitral valve greatly affect the function of the heart.

This butterfly valve is used to control the flow of fluid.

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.