The point that is susceptible to corrosion in all refrigerators and freezers is the contact of the rubber gasket with the metal door. This is where moisture most often accumulates. That is why it is important, to periodically maintain these surfaces, preferably with technical petroleum jelly that does not contain acids. Such petroleum jelly at the same time will extend the life of the rubber gasket itself. You can also use machine oil or even ordinary cooking oil for lubrication. When lubricating, the gasket must be strongly bent away from the body,