By varying the proportions of copper and zinc, the properties of the brass can be changed, allowing hard and soft brasses. The density of brass is approximately .303 lb/cubic inch, 8.4 to 8.73 grams per cubic centimetre.
* Peptic ulcers. * Smoking cigarettes. * Drinking carbonated beverages. * Consuming fatty or spicy food, citrus fruits, tomato products, onions and chocolate. * Gastritis. * Taking medications including ibuprofen, aspirin, and certain drugs used to treat hypertension.
People who say apple cider vinegar works for heartburn relief mix anywhere from 1 teaspoon to 2 tablespoons in a glass of water before drinking. Others swallow 1 teaspoon apple cider vinegar, which may cause a burning sensation for a moment before quick relief from heartburn.