1. Copper:
- Use:
- Electrical wiring
- Heat exchangers
- Cooking utensils
- Jewelry
-Electronics
2. Aluminum:
- Use:
- Cooking utensils
- Electrical wiring
- Heat sinks
- Aerospace components
- Building materials
3. Silver:
- Use:
- Electrical contacts
- Mirrors
- Jewelry
- Photography
- Industrial brazing
4. Gold:
- Use:
- Jewelry
- Electronics
- Dentistry
- Aerospace applications
- Decorative purposes
5. Steel:
- Use:
- Construction materials
-Automotive components
-Electrical appliances
- Machinery
- Industrial equipment