| Remarks | Wet | Wetdry | Dry | Dry-Wet | ||||
Hardness HT | Classification | No | % | No | % | No | % | No | % |
0 - 75 | Soft | 13 | 72.22 | 12 | 66.67 | 14 | 77.77 | 13 | 72.22 |
76 - 150 | Moderately Hard | 3 | 16.67 | 4 | 22.22 | 3 | 16.67 | 1 | 5.56 |
151 - 300 | Hard | 2 | 11.11 | 2 | 11.11 | 1 | 5.56 | 4 | 22.22 |