| Kind | Value | annotation | ||
| enumeration | 9_very rough | |||
| enumeration | 7_rough | |||
| enumeration | 8_rough to very rough | |||
| enumeration | 1_very smooth | |||
| enumeration | 2_very smooth to smooth | |||
| enumeration | 6_medium to rough | |||
| enumeration | 5_medium | |||
| enumeration | 4_smooth to medium | |||
| enumeration | 3_smooth |