It seems that the exhaust valve of this engine is broken.

Noriben is the best for lunch every day.

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

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

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

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

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.