- prismatic ways
- треугольные направляющие
English-Russian dictionary of mechanical engineering and automation. - RUSSO. B.S. Voskoboinikov, V.L. Mitrovich. 2003.
English-Russian dictionary of mechanical engineering and automation. - RUSSO. B.S. Voskoboinikov, V.L. Mitrovich. 2003.
Obsidian use in Mesoamerica — Obsidian projectile point. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and… … Wikipedia
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Optical overheating protection — With all solar thermal collector systems there is a potential risk that the solar collector may reach an equilibrium or stagnation temperature higher than the maximum safe operating temperature. Various measures are taken for optical overheating… … Wikipedia
Musical fountain — A musical fountain is a type of animated fountain for entertainment purposes that creates an aesthetic design (including three dimensional images). This is achieved by employing the effects of timed sound waves and timed light (including laser)… … Wikipedia
Polychoron — In geometry, a four dimensional polytope is sometimes called a polychoron (plural: polychora), from the Greek root poly , meaning many , and choros meaning room or space .It is also called a 4 polytope or polyhedroid. The two dimensional analogue … Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
On Vision and Colors — (German: Über das Sehn und die Farben) is a treatise[1] by Arthur Schopenhauer that was published in May 1816 when the author was 28 years old. Schopenhauer had extensively discussed with Johann Wolfgang von Goethe about the poet s Theory of… … Wikipedia
Magic: The Gathering formats — are a number of different ways in which the Magic: The Gathering collectible card game can be played. Each format provides rules for deck construction and gameplay. The tournament formats officially sanctioned by The DCI fall into two categories … Wikipedia
Right- and left-hand traffic — countries with right hand traffic … Wikipedia
sedimentary 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… … Universalium
Soil structure — is determined by how individual soil granules clump or bind together and aggregate, and therefore, the arrangement of soil pores between them. Soil structure has a major influence on water and air movement, biological activity, root growth and… … Wikipedia