It could be days before they can rescue you and your family. Some of the same techniques used in wilderness survival shelters, can be implemented in an urban emergency shelter. We need to minimize the loss of heat. Convection, if the windows and doors are closed we lower heat loss by convection to the body.
The healing time it takes for a scab on the face to heal depends on  many factors including the length and depth of the wound. Most  facial scabs take anywhere from 3-10 day â¦ s to heal.
Best Answer: Wounds start healing before scabs form. In fact, scabs are not necessary for a wound to heal. Studies have shown that wounds kept covered heal up to 3 days faster than wounds left uncovered; covered wounds stay moist and often don't scab at all. So, I would advise you use some antibacterial ointment such as neosporin and then bandage your cut.