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.
Foreign Service Officers are professional, trained diplomats who represent American interests abroad under the direction of the ambassador. All Foreign Service Officers listen to and observe what is going on in the host country, analyze it, and report to the ambassador and Washington. key role of an ambassador is to coordinate the activities not only of the Foreign Service Officers and staff serving under him, but also representatives of other U.S. agencies in the country. At some overseas posts, personnel from as many as 27 federal agencies work in concert with embassy staff.