Working alone is not advisable where the risks identified cannot be adequately controlled.
Pregnancy and childbirth are not medical events, they are natural events. However there are accommodations Productions need to make for new and expectant mothers.
Deafness caused by exposure to noise at work is permanent and incurable. Exposure to noise can also cause other impairments such as tinnitus.
The controls identified by risk assessments must be appropriate for the whole workforce.
Those who manage or schedule the work of others and also those who self-schedule need to be aware of the risks of long working hours and fatigue.