air slag arch

См. также в других словарях:

• 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

• Ometepe (archaeological site) — Ometepe Island is an important archaeological site, located in the Lake Nicaragua in the Republic of Nicaragua, administratively belongs to the Rivas Department. Its name derives from the Nahuatl words ome (two) and tepetl (mountain), meaning two …   Wikipedia

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• ГОСТ 23172-78: Котлы стационарные. Термины и определения — Терминология ГОСТ 23172 78: Котлы стационарные. Термины и определения оригинал документа: 47. Барабан стационарного котла Барабан D. Trommel E. Drum F. Reservoir Элемент стационарного котла, предназначенный для сбора и раздачи рабочей среды, для… …   Словарь-справочник терминов нормативно-технической документации

• Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …   Wikipedia

• History of ferrous metallurgy — Iron (material) redirects here. For the chemical element Fe, see Iron. Bloomery smelting during the Middle Ages. The history of ferrous metallurgy began far back in prehistory. The earliest surviving iron artifacts, from the 5th millennium BC in… …   Wikipedia

• List of Ratchet & Clank characters — This is a list of characters from the Ratchet Clank video game series. Ratchet Clank is a series of platform video games developed by Insomniac Games and High Impact Games. The series features a large cast of characters voiced by veteran voice… …   Wikipedia

• Stainless steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …   Wikipedia

• List of characters in the Ratchet & Clank series — This article provides a list of secondary characters from the Ratchet Clank video game series universe.Major protagonists;Ratchet:The primary protagonist of the series. A Lombax (a fictional race from the planet Fastoon) who, at the start of… …   Wikipedia

• Neath and Tennant Canal — The exit from Clun Isaf lock, restored in 2007 Original owner Neath Canal Nav Co, Port Tennant Nav Co Principal engineer …   Wikipedia

• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium