Extracting rare metals from scrap electrical appliances requires certain expertise and equipment. Here are some guidelines: 1. **Understand the structure of electrical appliances**: Different types of electrical appliances contain different metal components. For example, circuit boards, connecting wires, motors and other parts may contain metals such as gold, silver, copper, and aluminum. 2. **Safety measures**: When handling scrap electrical appliances, please make sure to take appropriate safety measures, wear gloves and masks, and avoid contact with hazardous substances (such as lead in solder). 3. **Disassemble the appliance**: Carefully disassemble the appliance and remove the parts containing metal. Tools such as screwdrivers and pliers can be used. 4. **Classify metals**: Classify the disassembled metals. Common ones include: - Copper: wires, transformer coils, etc. - Aluminum: casings, radiators, etc. - Precious metals: Some circuit boards may contain trace amounts of gold, silver, etc. 5. **Extraction methods**: For the extraction of some rare metals, chemical treatment or smelting may be required, but this usually requires specific equipment and experience, so it is not recommended to do it yourself at home. 6. **Sell and dispose**: Take the collected metal materials to a special scrap metal recycling station for sale. There are such recycling centers in many places, and they will offer suitable prices. 7. **Comply with the law**: Before any processing and sales, please make sure to comply with relevant laws and regulations to avoid environmental pollution and unnecessary legal problems. If you are not familiar with the extraction process, you can consider handing over the complete waste appliances to a professional waste recycling company for processing. This is not only safe, but also ensures the effective use of resources.