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.
As part of their total compensation, Foreign Service diplomats also earn several benefits. They receive paid time off for 10 U.S. holidays per year, plus some of the holidays in their posting country. Annual leave ranges from 13 to 26 days per year, depending on service length, with up to 13 days additional for sick leave, and up to 12 work weeks of unpaid family medical leave.