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.
Baking soda is a natural antacid that can help relieve heartburn. Add a spoonful to water and drink it before it stops fizzing. If you are on a sodium restricted diet or have high blood pressure you should consult with your doctor before taking. 7.