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.
Milk encourages the production of stomach acid and might promote acid reflux in the middle of the night. Raise the head of your bed four to six inches to avoid heartburn during sleep by using blocks under the bedposts. This raises your upper body. Extra pillows only raise your head.
According to Arm & Hammer, a manufacturer of baking soda, mixing 1/2 teaspoon of baking soda into 1/2 glass of water is a safe dose for the relief of heartburn. People between the ages of 5 and 60 can take up to 7 doses spaced at least 2 hours apart in a 24-hour period.