To separate clean sand from a mixture of sand and small pieces of iron wire, you can use several methods, depending on the equipment available and the scale of the operation. Here are some effective methods:
1. **Magnetic Separation**:
- **Method**: Use a strong magnet to attract the iron wire. Pass a magnet over the mixture, and the iron pieces will stick to it, allowing you to then remove them from the sand.
- **Notes**: This method is