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.
Brass and copper content in water are the result of acidic water. When water is a bit acidic, it corrodes plumbing and fixtures. If you have brass or copper fittings, you may end up with blue or green stains on fixtures. To remove any of these metallic stains, use an acidic cleaner or an all-purpose cleaner.