Raw Materials. The main component of brass is copper. The amount of copper varies between 55% and 95% by weight depending on the type of brass and its intended use. Brasses containing a high percentage of copper are made from electrically refined copper that is at least 99.3% pure to minimize the amount of other materials.
Principal Scientist in Boston, Massachusetts Salary. A Principal Scientist in Boston, Massachusetts earns an average salary of $123,925 per year.
The average show host/hostess salary in Boston, Massachusetts is $66,633 or an equivalent hourly rate of $32. This is 15% higher (+$8,743) than the average show host/hostess salary in the United States. In addition, they earn an average bonus of $1,586. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Boston, Massachusetts.