Monday, 25 March 2013


long-term dwellings, most temporary shelter designs revolve around some sort of roof as the main component. Walls and doors come later. With simple survival shelters, the roof is normally also a wall, in that it extends down to meet the floor, so providing a barrier against the elements. Cutting out the bitter wind means you effectively eliminate the risk of having your valuable body heat whisked away by convection and so can create a stable environment where you stand a much better chance of increasing the temperature of the air around you. Body temperature must be kept at around 37 ° C/ 98.6 ° F, with anything lower than 35 ° C/ 95 ° F being classed as hypothermic.

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