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.
Cream of Tartar and Lemon Juice Paste. Another great option for a brass cleaning paste is one made of cream of tartar and lemon juice. Use 2 parts cream of tartar to one 1 part lemon juice and mix into a firm paste. Rub it on the piece with your fingers, let sit for at least 30 minutes.