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  2. DesignSpark Mechanical - Wikipedia

    en.wikipedia.org/wiki/DesignSpark_Mechanical

    This free 3D CAD software is offered as a payment free download, but requires a one-time registration with DesignSpark.com to receive the latest community news and product promotions. To create engineering drawings in the same framework, a paid subscription to the DesignSpark Creator or Engineer plan is needed.

  3. Computer-aided dispatch - Wikipedia

    en.wikipedia.org/wiki/Computer-aided_dispatch

    CAD systems may be interconnected with automatic vehicle location systems, mobile data terminals, office telephones, and selective calling and push-to-talk ID.. Computer-assisted dispatch systems use one or more servers located in a central dispatch office, which communicate with computer terminals in a communications center or with mobile data terminals installed in vehicles.

  4. History of CAD software - Wikipedia

    en.wikipedia.org/wiki/History_of_CAD_software

    Between the mid-1940s and 1950s, various developments were made in computer software.Some of these developments include servo-motors controlled by generated pulse (1949), a digital computer with built-in operations to automatically coordinate transforms to compute radar related vectors (1951), and the graphic mathematical process of forming a shape with a digital machine tool (1952).

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  6. Reach extender - Wikipedia

    en.wikipedia.org/wiki/Reach_extender

    A 36 in (910 mm) reach extender with a secondary trigger and a pole that can be rotated 90 degrees. A reach extender (or reacher, grabber arm, helping hand, trash picker, picker-upper, extended gripper, long arm gripper, extended reach grabber, grabber tool, litter picker, or caliper) is a handheld mechanical tool used to increase the range of a person's reach and grasp when grabbing objects.

  7. Tradesperson - Wikipedia

    en.wikipedia.org/wiki/Tradesperson

    All describe people with specialized training in the skills needed for a particular kind of work. Some of them produced goods that they sold from their own premises (e.g. bootmakers , saddlers, hatmakers , jewelers , glassblowers ); others (e.g. typesetters , bookbinders , wheelwrights ) were employed to do one part of the production in a ...

  8. List of puzzle video games - Wikipedia

    en.wikipedia.org/wiki/List_of_puzzle_video_games

    Block-shaped puzzle pieces advance onto the board from one or more edges (i.e. top, bottom, or sides). The player tries to prevent the blocks from reaching the opposite edge of the playing area. Ball Fighter; Collapse; Critter Crunch; Frozen Bubble; Luxor series; Magical Drop; Magnetica; Money Puzzle Exchanger; Puzzle League series; Poker Smash

  9. John Walker (programmer) - Wikipedia

    en.wikipedia.org/wiki/John_Walker_(programmer)

    The first completed was AutoCAD, [7] a software application for computer-aided design (CAD) and drafting. [8] AutoCAD had begun life as Interact, [9] [10] a CAD program, written by programmer Michael Riddle [11] in a proprietary language. Walker and Riddle rewrote the program, and established a profit-sharing agreement for any product derived ...