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.
A few simple strategies can help soothe the burn of heartburn: 1  Watch what you eat. 2  Watch when you eat. 3  Watch how you eat.  Lose 1  weight. Keep a diary.  Toss the 1  cigarettes. Loosen your 2  belt. Tilt  up.