inside the star. 1. It is the easiest and most common method of food preservation because of the wide availability of salt. 2. A method in which processed food is placed and sealed in airtight cans. 3. It is the main ingredient for pickling. 4. It is the process of keeping food for future consumption by preventing its spoilage 5. This method is done by soaking or injecting preservatives to the meat. oticity Sheet 11.2 on page 14​