Cleaning your house is a laborious activity and one day isn’t enough to get it done. One of the things you tend to forget on cleaning is your door and cabinet knobs. Most door knobs are made up of brass. This golden-colored material is a mixture of zinc and copper.
At for brass knobs, you can use a mixture of one tablespoon salt and vinegar of half cup amount. This will scour away all dirt stuck in your door and cabinet knobs, and disinfect it as well. There are also commercially available products but make sure to use them properly. Do not be too harsh on your knobs so you can maintain its look and keep them clean at the same time.