Rather, they have most likely caused a joint, bone, ligament or tendon injury due to overstraining, pinched nerve, or similar causes. While heart attack warning is usually connected with the pain in a woman's left arm, the right one, if hurting, is probably injured. The cause may be a simple night of sleeping while holding your right arm in an unnatural position.
As brass hardware ages, its surface oxidizes, which leaves a layer of tarnish over the hardware. Over time, an additional protective layer, called a patina, forms over the untreated tarnished brass.
This is the most basic type of cleaning brass. This is mainly effective on oil and dirt which is commonly found on brass. Use a brush to gently rub the brass surface with soapy water. Once done, it is also a good idea to use toothpaste on the surface for a shiny effect. Use a brass polish to remove any tarnish.