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.
PREVENT TARNISH AND CORROSION. You just spent hours and hours cleaning your beautiful brass and you want to keep it from tarnishing. You never want to clean it again! Maybe you inherited it or found a great find at an antique store but don't like the tarnished look of the brass.