Cold boxes are used to store vaccines when ?? Please help on that

Depending on the model, cold boxes can be used to store vaccines for periods of up to two days or more when there is no electricity available, when the health facility refrigerator is out of order, or when a passive container is needed while the refrigerator is being defrosted.

The fetus at this stage is curled up, almost doubled over, so remember to consider this as you draw the fetus the correct length