1) The document outlines various risks that could occur during a film shoot and proposes preventions and responsibilities.
2) It states that if an illness occurs, filming should continue without that person but their scenes could be shot later.
3) Spare batteries or backup recording equipment should be brought in case of equipment failures to ensure the group is responsible for recovering recordings.
4) Technical faults with equipment are not the group's fault but intentional damage would require the responsible person to take accountability.