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.
Not to be confused with Public service, Alternative civilian service, or the album. The civil service is a collective term for a sector of government composed mainly of career bureaucrats hired on professional merit rather than appointed or elected, whose institutional tenure typically survives transitions of political leadership.