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One traditional food of Tonga is Hawaiian sweet potatoes. Tapioca or Cassava and taro are also other traditional foods of Tonga.
BEST WAY TO PRESERVE MODERN DAY FOOD IS TO KEEP IT IN REFRIGIRATOR.
One method could have been pickling the food.
In 1960 people preserved food by freezing it. Food was also preserved by home canning or pickling methods and storage.
water can not preserve food it attracts mold
Methods of preserving food include smoking and drying. Canning is another common method of food preservation. Pickling is one of the oldest forms of food preservation.
Freezing is a very common method of food preservation. Canning is another method that is often used. You can also dry, or vacuum seal foods to preserve them.
The vast majority of people living in the deserts live in towns and cities where electricity is available to run coolers and refrigerators that are used to preserve food. Those without electricity must rely on methods such as drying or preserving by canning or storing in salt or brine to preserve food from spoiling.
it didn't workede right
On meat, salt can preserve food.
Vacuum packaging preserves food better than some other methods because it removes the oxygen from the packaging; without oxygen, bacteria and mold cannot survive.
well once you have cooked the food it is ready to it so there is no need to preserve it