Risk factor | E | S | D | RL% | (Rank) |
1) Use of toxic product (Table 1: S = 3; NS = 5) | 4 | 3 | 3 | 70 | (3) |
2) Noise from machine (Table 2: S = 2; NS = 5) | 5 | 2 | 2 | 48 | (2) |
3) Fall to trench (Table 4: S = 5; NS = 6) | 3 | 5 | 3 | 85 | (4) |
4) Electrical contact (Table 5: S = 10; NS = 11) | 3 | 10 | 5 | 95 | (5) |