| S.L No. | Causes of injury | P | Q | R |
| A | Asthma by dust | 13 | 9 | 4 |
| B | Bronchitis by dust | 1 | 1 | 0 |
| C | Finger injury by needle | 16 | 12 | 4 |
| D | Eye injury by needle | 1 | 0 | 1 |
| E | Respiratory problem by dust | 17 | 13 | 4 |
| F | Hearing problem by noise | 13 | 9 | 4 |