wide-span roof

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• Roof — A roof is the covering on the uppermost part of a building. A roof protects the building and its contents from the effects of weather. Structures that require roofs range from a letter box to a cathedral or stadium, dwellings being the most… …   Wikipedia

• roof — rooflike, adj. /roohf, roof/, n., pl. roofs, v. n. 1. the external upper covering of a house or other building. 2. a frame for supporting this: an open timbered roof. 3. the highest part or summit: The Himalayas are the roof of the world. 4.… …   Universalium

• Roof construction — This article is about house construction that consists of beams and an outer weatherproof skin, as found on most domestic architecture. Such roofs may take a number of different shapes. Construction of a ridged roofA simple ridged roof consists… …   Wikipedia

• Hammerbeam roof — Westminster Hall in the early 19th century …   Wikipedia

• Metal roof — A metal roof, often referred to as a tin roof, is a roofing system made from metal pieces or tiles. It is a component of the building envelope. Enough corrugated zinc/aluminium sheeting to cover an average sized house, transported by motor cycle …   Wikipedia

• Charing Cross roof collapse — Charing Cross railway station nearing completion in 1864, showing the western sidewall and arched ironwork at the river end that collapsed in 1905. On 5 December 1905, the iron and glass overall arched roof of London Charing Cross collapsed… …   Wikipedia

• Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• Wembley Stadium — This article is about the new stadium opened in 2007. For the original stadium it replaced, see Wembley Stadium (1923). Wembley Stadium The Venue of Legends …   Wikipedia

• farm building — ▪ agriculture Introduction       any of the structures used in farming operations, which may include buildings to house families and workers, as well as livestock, machinery, and crops.       The basic unit of commercial agricultural operation,… …   Universalium

• BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …   Wikipedia