1. Guide to North Magnet
2. Attract light and small objects
3. Electromagnet can be used as an electromagnetic relay
7. Magnetic therapy
8. Magnetic levitation
9. Nuclear magnetic resonance
The magnet is salty and salty, and it is flat; it is liver and kidney;It has the functions of calming the liver and yang, clearing the eyes and clearing the eyes, calming the nerves and calming the nerves.Indications for liver and vertigo, convulsions, insomnia, fainting, tinnitus and deafness, kidney deficiency and asthma.