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.
Scars take a long time to heal. Generally, they take about 1-2 months to heal. However, acne scars usually take 1-2 weeks to fade. You cannot touch the scar, or else it will m â¦ ost likely cause an infection and it may never go away.hile the wound is healing, just after a scab has formed, you may help the scar fade and perhaps disappear by applying vi â¦ tamin E oil two to three times per day, and continue doing so for thirty days.