Beginning of Essay
Few would dispute the importance of petroleum to the world economy. In fact, some argue that in 1991 the United States and its allies fought a war in the Persian Gulf over this liquid that, at current prices, cost less than half a cent per fluid ounce and doesn't ....

Middle of Essay
.... to dabble Chanel or Pole behind your ears, you probably smell someone else's fragrance everyday. Or maybe yor use a product made with perfumes- such as soap, facial tissue, insecticides, or even cattle feed. With that in mind, we'll first discuss the ingredients of perfume and then we'll examine some of the new commercial applications of perfume Let's start with the ingrediets. Quite likely, you think of perfume only as a smelly liquid. But many connoisseurs of the stuff would disagree. In fact, perfume is complex mixture of many ingredients. The most important ingredients of any perfume are a variety of aromatic oils, usually called essential oils. ....