You may use interjections in casual and in creative writing. You should not use interjections in formal writing, like book reports and research papers. You can use a noun, a verb, or an adverb as an interjection. Noun as an interjection: 1  Foolishness! 2  Your dog is not smarter than my dog! 3  Clap! 4  He deserves some applause for that performance.
Here is a look at the composition of a compact disc or what CDs are made of. Answer: A compact disc or CD is a form of digital media. It is an optical device which can be encoded with digital data. When you examine a CD you can tell it is mainly plastic. In fact, a CD is almost pure polycarbonate plastic.
Calendered Vinyl is formed by pressing a polyvinyl chloride compound between a series of three or four large, heated, revolving rollers which squeeze the material between them into sheet or film. The thickness of the finished product is controlled by the space between the rolls.