However, when deuterium is used instead of hydrogen, the deuterium fluoride lases at the wavelength of about 3.8 µm. This makes the deuterium fluoride laser usable for terrestrial operations. The deuterium fluoride laser constructionally resembles a rocket engine. In the combustion chamber, ethylene is burned in nitrogen trifluoride.
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A pea whistle is constructionally identical to a "police whistle", but the chamber contains a small ball, known as the pea, but usually a material such as plastic or hard rubber. When blown, the pea moves chaotically in the chamber, interrupting and modulating the airflow to create a typical warbling/shrieking effect. Such whistles are traditionally used by association football referees and those of other games.
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In 1999 the Deutsche Bahn began to place Class 650 railbuses into service and currently runs 74 units (as at: June 2005). They are numbered 650 001–027, 650 100–122, 650 201–203 and 650 301–321. 650 100–119 and 650 201–203 were funded by Baden-Württemberg. 650 001–027 and 650 100–122 are identical, 650 201–203 and 650 301–321 are cyclist shuttles, but otherwise constructionally identical with the Regio-Shuttles.
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There is no triforium, but a high clerestory with wide two-light windows, with simple tracery like those in the nave-aisles and throughout the church, which give sufficient light. The other half, eastern in two senses, is both wider and higher than the nave. It also is divided into a central space with two aisles, each of the divisions ending at the east with an apse. The roofs throughout are of open woodwork very low in pitch, constructionally plain, but richly decorated with colour, now mostly restored.
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Both the mural and the window are works by the artist, Alfred Heller, from Bamberg. After leaving the lower church, the path runs past windows that portray the fundamental attitudes of Christian spirituality: Oratio – Meditatio – Contemplatio ("prayer - meditation - contemplation"). The upper church was designed by the architect Heinzmann and cathedral master builder Schädel. It was consecrated in 1961 and constructionally anticipated the liturgical reform of the Second Vatican Council a year later: the altar is positioned in the nave so that the priest can celebrate mass with the congregation.
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The Bremen State Railway () was a railway line built by the Free Hanseatic City of Bremen on Prussian state territory. In spite of its name and although owned by the state it was operated under Prussian law as a private railway. Constructionally it formed the 97 km long Uelzen–Langwedel railway, the western section of the America Line. After the annexation of the Kingdom of Hanover by Prussia and the foundation of the North German Confederation Bremen had a major interest in a shorter railway link to Berlin, in order to improve the competitiveness of its ports.
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The authors analyzed some selective popular image macros like, Said no one ever, One does not simply, But that's none of my business, and Good Girl Gina to draw attention to the constructionally, multimodality, viewpoint and intersubjectivity of these memes. They further argued that with the combination of text and images, the internet memes can add to the functioning linguistic construction frame as well as create new linguistic constructions. Writing for The Washington Post in 2013, Dominic Basulto asserted that with the growth of the Internet and the practices of the marketing and advertising industries, memes have come to transmit fewer snippets of human culture that could survive for centuries as originally envisioned by Dawkins, and instead transmit banality at the expense of big ideas.
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In 1976, rolling stock manufacturers Waggonfabriken Linke-Hofmann-Busch – today Alstom Transport Germany – and Messerschmitt-Bölkow-Blohm built eleven prototypes of a new low-floor local traffic carriage developed by the Bundesbahn-Zentralamt in Minden. This type was supposed to be a replacement for the n carriages, a type built in great numbers from 1958 onward, which had been considered as inadequately comfortable in the 1970s. Their difference toward the n carriages was their lower floor height with more comfortable entrances, interior design built to higher standards with a larger seat pitch, big improvements in the heating and ventilation systems and, constructionally, a lower overall weight. The interior design combined many elements of the DB diesel units 614 and 628.0 that had been built a few years earlier.
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