To celebrate World Wetlands Day, the Ministry of Environment and Tourism held a joint launch of the wetlands and ecotourism promotional material and biome posters as a demonstration of the country's commitment to wetlands and water con servation.
Surface: Perpendicularity is a fairly common symbol that requires the referenced surface or line to be perpendicular or 90Â° from a datum surface or line. Perpendicularity can reference a 2D line, but more commonly it describes the orientation of one surface plane perpendicular to another datum plane.urface: Perpendicularity is a fairly common symbol that requires the referenced surface or line to be perpendicular or 90Â° from a datum surface or line. Perpendicularity can reference a 2D line, but more commonly it describes the orientation of one surface plane perpendicular to another datum plane.
3. often Perpendicular Of or relating to a style of English Gothic architecture of the 1300s and 1400s, characterized by emphasis of the vertical element. adv. In a perpendicular position. n. 1. Mathematics A line or plane perpendicular to a given line or plane. 2. A perpendicular position. 3. A device, such as a plumb line, that is used in marking the vertical from a given point. 4. A vertical or nearly vertical line or plane.