why pressure cooker are useful in the hills
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At hill stations, the normal atmospheric pressure is less than the pressure at plains or at sea level. Due to this reason it takes longer time to cook food on hill stations. A pressure cooker allows to maintain the desired pressure to cook food even at hill stations...
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Explanation:
A pressure cooker develops a very high pressure when water boils inside. ... Therefore the food materials are cooked well and faster than at normal temperature and pressure. A pressure cooker is extremely useful in hilly areas where the pressure is very low and the boiling point is less for water.
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