Overhead lines — This article is about the transmission of electrical power to road and rail vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.… … Wikipedia
Construction of Assembly Hall (Champaign) — The construction of the Assembly Hall (Champaign) consisted of building a huge indoor arena with a 400 foot diameter (120 m) concrete dome whose center height is 125 feet (38 m) above the center floor which weighs 10 million pounds.[1]… … Wikipedia
Eastern span replacement of the San Francisco — San Francisco – Oakland Bay Bridge (eastern span replacement) Artistic rendition of the new eastern span of the Bay Bridge seen from Treasure Island (ca. 2014) Official name To be determ … Wikipedia
Prestressed concrete — diagram Prestressed concrete is a method for overcoming concrete s natural weakness in tension. It can be used to produce beams, floors or bridges with a longer span than is practical with ordinary reinforced concrete. Prestressing tendons… … Wikipedia
Chairlift — For the musical group, see Chairlift (band). A stairlift is sometimes called a chairlift . Hunter Mountain chairlift … Wikipedia
Cable railings — or wire rope railings are safety rails that use horizontal or vertical cables in place of spindles, glass, mesh etc for infill. UsesThis type of railing is favored in areas where view of the landscape or ocean would be impaired by other types of… … Wikipedia
snare drum — a small double headed drum, carried at the side or placed on a stationary stand, having snares across the lower head to produce a rattling or reverberating effect. Also called side drum. [1870 75] * * * ▪ musical instrument also called side drum … Universalium
Steering — For other uses, see Steering (disambiguation). Part of car steering mechanism: tie rod, steering arm, king pin axis (using ball joints). Steering is the term applied to the collection of components, linkages, etc. which will allow a vessel (ship … Wikipedia
Deadeye — A triple deadeye without a lanyard A deadeye is an item used in the standing and running rigging of traditional sailing ships. It is a smallish round thick wooden (usually lignum vitae) disc with one or more holes through it, perpendicular to the … Wikipedia
Rebar — This article is about reinforcing bar. For the company, see Rebar (Taiwan). For the art group, see Rebar art and design studio. A tied rebar beam cage. This will be embedded inside cast concrete to increase the tensile strength of the concrete. A … Wikipedia
Window screen — A window screen, insect screen or bug screen is a metal wire, fiberglass, or other synthetic fiber mesh, stretched in a frame of wood or metal, designed to cover the opening of an open window. Its primary purpose is to keep leaves, debris,… … Wikipedia