![]() The rule may sometimes be useful in determining the order of priority when in a life-threatening situation, and is a generalization (or rule of thumb), not scientifically accurate. For example, if you have a large quantity of food and water yet are exposed to the environment, then the harsh conditions rule applies. ![]() You can survive three weeks without food.Įach line assumes that the one(s) before it are met.You can survive three days without drinkable water.You can survive three hours in a harsh environment (extreme heat or cold).You can survive three minutes without breathable air ( unconsciousness), or in icy water.Normally, the rule of threes contains the following: The rule, depending on the place where one lives, may allow people to effectively prepare for emergencies and determine decision-making in case of injury or danger posed by the environment. In survival, the rule of threes involves the priorities in order to survive. ![]() ![]() Training in use of a liferaft – the rule will apply when exposed at sea ![]()
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