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3D printing marketplaces are a combination of file sharing websites, with or without a built in e-commerce capability. Designers upload suitable files for 3D printing whilst other users buy or freely download the uploaded files for printing. The marketplaces facilitate the account management, infrastructure, server resources and guarantees safe ...
STL is a file format native to the stereolithography CAD software created by 3D Systems. [3] [4] [5] Chuck Hull, the inventor of stereolithography and 3D Systems’ founder, reports that the file extension is an abbreviation for stereolithography.
GLI-F4 grenade. The GLI-F4 instant tear gas grenade (or SAE 810 instant tear gas grenade) is an explosive tear gas grenade, manufactured by the company Alsetex . The GLI-F4 has been used in France for law enforcement since 2011. It has caused several cases of mutilation. [1] On 26 January 2020 the French interior minister, Christophe Castaner ...
1 Control-C has typically been used as a "break" or "interrupt" key. 2 Control-D has been used to signal "end of file" for text typed in at the terminal on Unix / Linux systems. Windows, DOS, and older minicomputers used Control-Z for this purpose. 3 Control-G is an artifact of the days when teletypes were in use.
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St. Louis Lambert International Airport ( IATA: STL, ICAO: KSTL, FAA LID: STL) is the primary international airport serving metropolitan St. Louis, Missouri, United States. Commonly referred to as Lambert Field or simply Lambert, it is the largest and busiest airport in the state of Missouri. The airport covers 3,793 acres (1,535 ha) [ 2][ 3 ...
EO, ECO, ECN. engineering order. An order from the engineering department (to be followed by the production department or vendor) overriding/superseding a detail on the drawing, which gets superseded with revised information. Also called by various other names, such as engineering change order (ECO), engineering change notice (ECN), drawing ...
Opera Theatre of Saint Louis (OTSL) is an American summer opera festival held in St. Louis, Missouri. Typically four operas, all sung in English, are presented each season, which runs from late May to late June. Performances are accompanied by the St. Louis Symphony Orchestra, which is divided into two ensembles, each covering two of the operas ...