The camshaft. The valve train consists of the valves and a mechanism that opens and closes them. The opening and closing system is called a camshaft. The camshaft has lobes on it that move the valves up and down, as shown in Figure 5. Most modern engines have what are called overhead cams.
A Foreign Service Officer (FSO) is a commissioned member of the United States Foreign Service. As diplomats, Foreign Service Officers formulate and implement the foreign policy of the United States.
Diplomats, officially known as Foreign Service Officers (FSO) in the U.S., advance the economic, political, social, and cultural interests of their host nations to the diplomatic representatives of other nations.n individual interested in becoming a diplomat must be a U.S. citizen and be between the ages of 20 and 59. A college degree is not necessary; however, possessing a college diploma and having the ability to speak a foreign language improves an individual's chances of being hired.