Non-perishable foods have significantly changed the way we eat. The canning processes means that we now have access to almost every type of food at all times. The development of the food industry and the production of processed foods on a large scale were only possible thanks to modern preservation methods. But now, with modern cold chains, special storage rooms, shock freezing, freeze drying and vacuum packaging, Great Inventions asks the question - has the classic tin can become obsolete?
