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1Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
2David Petraeus — Director of the Central Intelligence Agency …
3Evacuation slide — An evacuation slide is an inflatable slide used to evacuate an aircraft quickly. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would… …
4Olympic-Wallowa Lineament — Location of the Olympic Wallowa Lineament. Is the OWL an optical illusion? The Olympic Wallowa lineament (OWL) – first reported by cartographer Erwin Raisz in 1945 [1] on a relief map of the continental United States – is a physiographic feature… …
5Listed buildings in Runcorn, Cheshire — Runcorn has a number of listed buildings. [cite web |url=http://www2.halton.gov.uk/content/environment/planning/forwardplanning/listedconservationareas/listedbuildings?a=5441 |title=Listed Buildings in Halton |accessdate=2007 04 19… …
6Framing (construction) — Framing, in construction known as light frame construction, is a building technique based around structural members, usually called studs, which provide a stable frame to which interior and exterior wall coverings are attached, and covered by a… …
7art and architecture, Oceanic — ▪ visual arts Introduction the visual art (art) and architecture of native Oceania, including media such as sculpture, pottery, rock art, basketry, masks, painting, and personal decoration. In these cultures, art and architecture have often …
8Slavery in the United States — began soon after English colonists first settled Virginia in 1607 and lasted until the passage of the Thirteenth Amendment to the United States Constitution in 1865. Before the widespread establishment of chattel slavery, much labor was organized …
9sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
10Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …
