Filter (OIL )- A device which removes solids from a fluid. Flow Meter - A testing device which gauges either flow rate, total flow, or both. Flow Rate - The volume of fluid passing a point in a given time. Fluid Power - Energy transmitted and controlled through use of a pressurized fluid. Force - A push or pull acting upon a body.
Conflicts of national interest caused the World War II alliance between the United States and the Soviet Union to be replaced by a Cold War that lasted 45 years. Initially a dispute over the future of Europe, it grew to include confrontations around the world.
The Cold War defined the political role of the United States in the postâWorld War II world: by 1989 the US held military alliances with 50 countries, and had 526,000 troops posted abroad in dozens of countries, with 326,000 in Europe and about 130,000 in Asia.