1.    Mainly made of plastic,aluminum and steel

2.    ABS top board,easy to clean

3.    Four columns

4.    C means:aluminum columns,D means:plastic-steel columns

5.    Raised-edge design

6.     Guard rail

7.    Storage box

8.    Plastic-steel column

9.    2 middle drawers

10. Utility basket

11. Dust basket with foot pedal

12. Luxurious noiseless casters(two with brakes)