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%.
To do this, they devised a small brass plate (brass monkey) with one rounded indentation for each cannonball in the bottom layer. Brass was used because the cannonballs wouldn't rust to the brass monkey, but would rust to an iron one. When temperature falls, brass contracts in size faster than iron.