For example, copper is added to the precious metal silver to make a more durable alloy for use in coins, housewares and jewelry. Coin silver, which was used for making silver coins in the past, contains 90% silver and 10% copper, by mass.
Metformin ER (Fortamet) Metformin ER (Fortamet) is an expensive drug used to treat type II diabetes. It helps control blood sugar in combination with diet and exercise. This drug is slightly less popular than comparable drugs. It is available in brand and generic versions.
âThe Tuberculin Skin Test (TST), also known as a Mantoux test, is used to assess whether a person has been infected with the tuberculosis (TB) bacteria. The TST is primarily used to diagnose TB infection. This is when the TB bacteria is in the body but the person is not experiencing any symptoms suggestive of TB disease.