Chlorine detonating gas is very dangerous, and it requires careful handling.

Hippocrates is also called the father of medicine.

This model of the cubohemioctahedron is very beautiful, isn't it?

This 立方半八面體 is one of the shapes in geometry.

This model of the cubohemioctahedron is very beautiful, isn't it?

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.