Kitchen Knives Sets How Do I Get Rid Of Rust On Kitchen Knives?

How do I get rid of rust on kitchen knives? - kitchen knives sets

I bought a set of kitchen knives, a few months ago ... equipped with a block of wood. Some of these knives are rust stains. How can I avoid this? How can I get rid of? What is rust? Are these knives as shit? The price I thought they looked cheap.