Multiple assigned to each English adjusted technical grade
| Score | English adjusted technical grade |
|---|---|
| 3 | Moderate |
| 4 | Difficult |
| 5 | Very difficult |
| 6 | Hard very difficult |
| 7 | Severe |
| 8 | Hard severe |
| 9 | Very severe |
| 10 | Hard very severe |
| 11 | Extreme 1 |
| 12 | Extreme 2 |
| 13 | Extreme 3 |
| 14 | Extreme 4 |
| 15 | Extreme 5 |
| 16 | Extreme 6 |
| 17 | Extreme 7 |
| 18 | Extreme 8 |
| 19 | Extreme 9 |
| 20 | Extreme 10 |