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  2. EMD SW1 - Wikipedia

    en.wikipedia.org/wiki/EMD_SW1

    The SW1 was the start of a long line of SW series switchers produced by EMD. It was complemented by the SW7 in 1949 and the SW8 in 1950. [ 1 ] SW1 production ceased in November 1953, with its replacement, the equally powerful SW600 , starting production in February 1954.

  3. Scissors mechanism - Wikipedia

    en.wikipedia.org/wiki/Scissors_mechanism

    This mechanism is used in devices such as lift tables and scissor lifts.Modern low-profile computer keyboards make an extensive use of it as well, installing each key on a scissor support to ensure their smooth vertical movement, allowing the use of a cheap and reliable rubber dome contact set, instead of expensive and complex array of mechanical switches.

  4. Arthur Andersen - Wikipedia

    en.wikipedia.org/wiki/Arthur_Andersen

    Arthur Andersen LLP was an American accounting firm based in Chicago that provided auditing, tax advising, consulting and other professional services to large corporations. By 2001, it had become one of the world's largest multinational corporations and was one of the "Big Five" accounting firms (along with Deloitte, Ernst & Young, KPMG and PricewaterhouseCoopers).

  5. Manual handling of loads - Wikipedia

    en.wikipedia.org/wiki/Manual_handling_of_loads

    Using a series of mathematical calculations and a series of tables, each activity is assigned a REBA score. To calculate the REBA score, the tool separates the body parts into the two groups group A and group B. The body parts assigned to Group A are: Neck; Trunk; The body parts assigned to group B are: Upper arms; Lower arms; Wrists

  6. Hans Christian Andersen - Wikipedia

    en.wikipedia.org/wiki/Hans_Christian_Andersen

    Hans Christian Andersen (/ ˈ æ n d ər s ən / AN-dər-sən; Danish: [ˈhænˀs ˈkʰʁestjæn ˈɑnɐsn̩] ⓘ; 2 April 1805 – 4 August 1875) was a Danish author.Although a prolific writer of plays, travelogues, novels, and poems, he is best remembered for his literary fairy tales.

  7. Avro Vulcan - Wikipedia

    en.wikipedia.org/wiki/Avro_Vulcan

    Backup power was provided by four 24 V 40 Ah batteries connected in series providing 96 V. Secondary electrical systems were 28 V DC, single-phase 115 V AC at 1600 Hz, and three-phase 115 V AC at 400 Hz, driven by transformers and inverters from the main system. The 28 V DC system was backed up by a single 24 V battery.

  8. Rockwell B-1 Lancer - Wikipedia

    en.wikipedia.org/wiki/Rockwell_B-1_Lancer

    The Rockwell B-1 Lancer [b] is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force.It has been nicknamed the "Bone" (from "B-One"). [2] [3] As of 2024, it is one of the United States Air Force's three strategic bombers, along with the B-2 Spirit and the B-52 Stratofortress.

  9. Shear and moment diagram - Wikipedia

    en.wikipedia.org/wiki/Shear_and_moment_diagram

    Shear and Bending moment diagram for a simply supported beam with a concentrated load at mid-span. Shear force and bending moment diagrams are analytical tools used in conjunction with structural analysis to help perform structural design by determining the value of shear forces and bending moments at a given point of a structural element such as a beam.