Table 1 Classification for simultaneous exposure to 2 ergonomic risk factors
| Â | Ergonomic risk factors A | ||||
|---|---|---|---|---|---|
Never | Mild | Moderate | Severe | ||
Ergonomic risk factors B | Never | 1. Little exposure to A, B | 2. Usually exposed to A | ||
Mild | |||||
Moderate | 3. Usually exposed to B | 4. High exposure to A, B | |||
Severe | |||||