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A windsock (a wind cone or wind sleeve) is a conical textile tube that resembles a giant sock. It can be used as a basic indicator of wind speed and direction , or as decoration. Windsocks are typically used at airports to show the direction and strength of the wind to pilots, and at chemical plants where there is risk of gaseous leakage.
A size chart illustrating the ANSI sizes. In 1992, the American National Standards Institute adopted ANSI/ASME Y14.1 Decimal Inch Drawing Sheet Size and Format, [1] which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in "letter" size to which it assigned the designation "ANSI A". This series also ...
Air sock in an indoor swimming pool. An air sock is a textile or fabric duct used for draught-free air distribution and delivery of conditioned air as an alternative to traditional spiral or rectangular steel ducts with grilles and diffusers.
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The template formats a track gauge size into standard notation and adds the conversion into the imperial/metric (other) size Template parameters [Edit template data] Parameter Description Type Status Track gauge definition 1 Defined track gauge, in mm or ft in. Also can accept: ' '', m, gauge name String required Link top measurement units lk =on: adds link to the gauge defining article String ...
There are two types of computer-aided design systems used for the production of technical drawings: two dimensions (2D) and three dimensions (3D). An example of a drawing drafted in AutoCAD. 2D CAD systems such as AutoCAD or MicroStation replace the paper drawing discipline. The lines, circles, arcs, and curves are created within the software.
Download as PDF; Printable version; In other projects ... while regional and other global models usually use finite-difference methods in all three dimensions ...
Complete documentation on the METAR format, PDF. Software libraries. Perl modules for parsing METAR reports at the CPAN site; PhpWeather is a PHP application (with a GNU General Public License) that parses METAR reports. pymetar and metar — Python libraries for METAR fetching and parsing; Using METAR data to see the Atmospheric Tide; Current ...