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.
With a bachelor's degree in international studies, you may find work as a Foreign Service Junior Officer and be promoted to a Foreign Service Officer after three years, according to USAID, the nation's leading agency for representing foreign policy interests (www.usaid.gov).ayscale.com users identifying themselves as Foreign Service Officers report an annual salary range of $51,238 - $138,912 as of 2014. According to the U.S. Department of State, several factors determine a Foreign Service Officer's pay. The first is education and experience level.