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.
FSI sets American diplomats up for success so they can ensure the success of American diplomacy around the world. As the U.S. governmentâs premier foreign affairs training provider, the Foreign Service Institute (FSI) is dedicated to ensuring the career-long learning opportunities required for success in todayâs global arena. FSI promotes substantive, regional, and linguistic expertise, leadership finesse, personal resilience and innovative problem-solving.