Classes
There are two main classes of nerve agents. The members of the two classes share similar properties and are given both a common name (such as sarin) and a two-character NATO identifier (such as GB).
Read more about this topic: Nerve Agent
Famous quotes containing the word classes:
“Classes struggle, some classes triumph, others are eliminated. Such is history; such is the history of civilization for thousands of years.”
—Mao Zedong (1893–1976)
“I am ... by tradition and long study a complete snob. P. Marlowe and I do not despise the upper classes because they take baths and have money; we despise them because they are phony.”
—Raymond Chandler (1888–1959)
“There are three classes into which all the women past seventy that ever I knew were to be divided: 1. That dear old soul; 2. That old woman; 3. That old witch.”
—Samuel Taylor Coleridge (1772–1834)