| Frequency of action level (%) | Delimbing operation | |||
|---|---|---|---|---|
| Moving | Delimbing | Delay | ||
| OWAS | 1 | 31.4 | 38.5 | 61.5 |
| 2 | 51.4 | 41.0 | 38.5 | |
| 3 | 17.1 | 20.5 | - | |
| 4 | - | - | - | |
| RULA | 1 | - | - | - |
| 2 | 45.7 | 31.6 | 84.6 | |
| 3 | 54.3 | 53.8 | 15.4 | |
| 4 | - | 14.5 | - | |
| REBA | 0 | 11.4 | 40.4 | 3.4 |
| 1 | 28.6 | 36.5 | 59.0 | |
| 2 | 60.0 | 23.1 | 32.5 | |
| 3 | - | - | 5.1 | |
| 4 | - | - | - | |