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.
Both caffeinated and decaffeinated coffee might cause heartburn by encouraging acid production. Other caffeinated drinks, citrus fruit juices, tomato juice and carbonated beverages might trigger your heartburn. Citrus fruit juices include orange, grapefruit, lemon and pineapple. In some cases, these drinks might not cause symptoms because triggers depend on each person.
To curb heartburn, build your meals around naturally low-acid foods like: 1  Melons and bananas. 2  While most fruits have a high acid content, these don't. 3  Bananas are always handy as a snack food. 4  All sorts of melons are good, like watermelon, cantaloupe, and honeydew. 5  Oatmeal. 6  It's a great way to start your day.