1. Reduce the weight of the part and thus reduce shipping and installation costs
  2. Door resistance against wear and tear
  3. Resistance to fatigue stresses
  4. High impact resistance
  5. Strength, beauty and accuracy of edges and corners of parts
    Improve the quality of surfaces and details of design and
  6. texture on the surface
  7. Ease of producing complex forms
  8. Suitable for use in building restoration
  9. enviromentalist