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Tilt-up, tilt-slab or tilt-wall is a type of building and a construction technique using concrete. Though it is a cost-effective technique with a shorter completion time, [ 1 ] poor performance in earthquakes has mandated significant seismic retrofit requirements in older buildings.
PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. [ 3 ] [ 4 ] It runs on Linux , Windows and macOS . [ 5 ] It comes in three versions: PDFtk Server ( open-source command-line tool ), PDFtk Free ( freeware ) and PDFtk Pro ( proprietary paid ). [ 2 ]
The DeLorean features heavy doors supported by cryogenically-preset torsion bars and nitrogen-charged struts [40] [41] that were developed by Grumman Aerospace. [42] The doors featured red and amber lights to mark their edges at night and small cutout windows, [42] because full-sized windows would not be fully retractable within the short door ...
Windsurfing is a wind-propelled water sport that is a combination of sailing and surfing. [1] It is also referred to as "sailboarding" and "boardsailing", and emerged in the late 1960s from the Californian aerospace and surf culture. [2]
In addition, the GT notchback coupe returned after a year's absence. In the UK, Toyota released the SR based on the 1.8 ST. The SR has full body kit, mesh grille, 16-inch alloys, and upgraded sound system. The U.S. Celica line up was simplified even further in 1999 by eliminating all coupes, leaving only the GT Liftback and GT convertible.
Arthur Krebs proposed placing the front axle of a car at a positive caster angle in his UK patent of 1896, entitled Improvements in mechanically propelled vehicles. In it he stated it was intended "To ensure stability of direction by means of a special arrangement of fore-carriage, that is to say, to re-establish automatically the parallelism of the two axles of the vehicle when there is no ...