Magnetic Knife Block Do Most Restaurants Use Magnetic Knife Racks Or A Blocks To Store Knives?

Do most restaurants use magnetic knife racks or a blocks to store knives? - magnetic knife block

To deal with the knife in the kitchen, was sent to try a number of "magnetic rock-climbing. But he said the steel for the magnets are mounted on Nick and tend to brown rust with time. Have you noticed that this is the case? Besides, how often they washed and cleaned or removed and cleaned? Furthermore, why the bush need to be cleaned regularly. The knives should be clean before installation, right?