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.
United States Embassies and Consulates in countries overseas often have job openings for family members of USG employees posted to that country. The availability of positions depends on the size of the Mission and the current job openings.