Please check back often as this is regularly updated. 1  Rim Exit Devices. 2  Rim Device: This type is used on single doors or pairs of doors that have a vertical mullion (either removable or fixed) in between the doors. The strike plate is surface mounted on the frame (or mullion).
Mikhail Gorbachev was the last General Secretary of the Soviet Union. He brought about massive economic, social, and political changes and helped bring an end to both the Soviet Union and the Cold War.
Gorbachev, tear down this wallâ â was the ultimate challenge of the Cold War. Ronald Reaganâs determination to destroy communism and the Soviet Union was a hallmark of his eight-year presidency, carried out through a harsh nuclear policy toward Moscow that softened only slightly when Gorbachev came to office.orbachev, tear down this wallâ â was the ultimate challenge of the Cold War. Ronald Reaganâs determination to destroy communism and the Soviet Union was a hallmark of his eight-year presidency, carried out through a harsh nuclear policy toward Moscow that softened only slightly when Gorbachev came to office.