The Democratic People's Republic of Korea, usually known as North Korea, is a state that occupies the northern half of the Korean peninsula. North Korea is a new state, founded in 1948 as a result of the postcolonial settlement handed down by the United States and the Soviet Union (USSR).
Curtain wall may refer to: 1  Curtain wall (architecture), the outer skin of a modern building. 2  Curtain wall (fortification), the outer wall of a castle or defensive wall between two bastions. 3  Curtain wall (construction), dust barriers for construction.
Curtain wall employs deep rectilinear framing profiles (approximately 150 mm [6 in] or greater), which are often made available in stock lengths. Curtain wall vertical framing members run past the face of floor slabs, and provision for anchorage is typically made at vertical framing members only.... Curtainwall or window wall systems should be used when performance or aesthetic expectations exceed the limitations of storefront systems.