After a while, brass will start to look ugly due to oxidation. Then it is time to polish the brass.
How to Clean Brass and Restore Shine with Household Products
How to Clean Copper Easily Without Harsh Chemicals
How to Measure a Door for Replacement? (Step-By-Step Tutorial)
How to Clean Brass and Restore Its Lustrous Shine — Bob Vila
6 Ways to Clean Brass With Everyday Household Items
Steel wool, stainless steel wool, copper wool, polishing agents - EKKSOL
How to Measure a Door for Replacement? (Step-By-Step Tutorial)
Clean brass with this easy hack using products you've got in your kitchen cupboards #SortYourLifeOut
How to Clean Brass: 14 Steps (with Pictures) - wikiHow