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.
Complications like infection can lengthen the time it takes to heal up, but here is a general timeline: 1  Swelling and pain will be the greatest during the first 3 days (peaking at about 48hours). 2  Normally, the sockets should take about 2 weeks to 1 month to cover over with solid gum tissue after scabbing first.