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.
The Foreign Affairs Manual states that interpreting, translating, and other language services are provided by the Office of Language Services (A/OPR/LS) for the White House and for the Department of State, including commissions and corporations under its jurisdiction, and international events or conferences in which it participates.