Room Layouts & their Uses. The best way to layout a room is dependant on a number of factors including: ï· The space available. ï· The size of the audience. ï· The level of activity and interaction required. There are 6 main styles which are described below. Theatre Style. Theatre style seating allows the most people for a given. size of room.
Answer: Brass is an alloy made primarily of copper and zinc. The proportions of the copper and zinc are varied to yield many different kinds of brass. Basic modern brass is 67% copper and 33% zinc. However, the amount of copper may range from 55% to 95% by weight, with the amount of zinc varying from 5% to 40%.
Main article: Brass. A brass is an alloy of copper with zinc. Brasses are usually yellow in color. The zinc content can vary between few % to about 40%; as long as it is kept under 15%, it does not markedly decrease corrosion resistance of copper. bronze is an alloy of copper and other metals, most often tin, but also aluminium and silicon. 1  Aluminium bronzes are alloys of copper and aluminium. 2  Bell metal. 3  Phosphor bronze. 4  Nickel bronzes, e.g. nickel silver and cupronickel. 5  Speculum metal. 6  UNS C69100.