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.
Currently, any U.S. Employer who wants an educated foreign worker deals with at least 4 government agencies. The gaps between DHS, DOL and DOS (on the Federal level) and state employment agencies are huge, slow, inconsistent, exhausting and not necessary.