| Interruption |
Interruptions not managed to protect failure-critical processes |
| Workload |
Cumulative effects of coping reduce ability to sustain concentration |
| Shortages |
Reduced availability of people or materials force 'work-arounds' |
| Relationships |
Dysfunctional behaviour that makes work more challenging or risky |
| Wellbeing |
Practices leading to ill-health, or continuing to work when impaired |