The words âat least 17 years of age and *â*â* under 45 years of ageâ are substituted for the words âwho shall be more than seventeen years of age and *â*â* not more than forty-five years of ageâ.
Steel is cheaper, and brass is more expensive, and not much of a structural material. Brass is a tensile metal, and has a great ability to bend. It is used to make bearings, valves and moving parts, because it does not break easily. Steel, on the contrary, is difficult to cast, and quite difficult to work with in small machines.
Common Things Made of Brass. Common things made of brass. Brass is an alloy metal, this means that it is a metal made up of varying mixtures of other metals. To make brass manufactures use a combination of copper and zinc. Its color is very similar to gold so it is desirable to use as an alternative to more expensive metals for aesthetic purposes and it is highly malleable so it can be formed into shapes that many other metals canât.