6. Gold alloy â gold-colored mixture of gold, copper and other metals, and is used mainly for crowns, fixed bridges and some partial denture framework. 1  Advantages â good resistance to further decay if fits well; excellent durability-does not fracture under stress; does not corrode in the mouth.or more than 150 years, dental fillings known as amalgams have been widely used to treat tooth decay. Amalgam fillings are made of a mixture of metals. The ingredients include equal parts of elemental mercury (43 to 54 percent), and an alloy powder (46 to 57 percent) mainly composed of silver, tin, copper.
limit order. Definition. An order to a broker to buy a specified quantity of a security at or below a specified price, or to sell it at or above a specified price (called the limit price). This ensures that a person will never pay more for the stock than whatever price is set as his/her limit.
The difference from a limit order is that in both situations a stop order refers to a situation where you want to limit the loss you will incur in a certain transaction. In a selling situation, where you already hold the share, a stop order is instructing the broker to sell the share at the stop price or lower. In this way you care minimizing your loss on the sale of the share, as opposed to a limit order where you are setting a higher price where you want to lock in your profit.