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  2. Mega Ampere Spherical Tokamak - Wikipedia

    en.wikipedia.org/wiki/Mega_Ampere_Spherical_Tokamak

    The MAST design phase occupied 1995-1997, with construction beginning in 1997, and the first plasma obtained in 1999. The first results of the MAST demonstrate that mode-H is reached with more ease and less energy than expected with a considerable improvement in confinement, a fundamental point for any energy production scenario.

  3. Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Radio_masts_and_towers

    A mast is a guyed mast, a thin structure without the shear strength to stand unsupported, that uses attached guy lines for stability. They may be mounted on the ground or on top of buildings. Typical masts are of steel lattice or tubular steel construction. Masts tend to be cheaper to build but require an extended area surrounding them to ...

  4. Derrick - Wikipedia

    en.wikipedia.org/wiki/Derrick

    When the mast is rotated, the connected boom is swung from to the side. The control of the lifting location is done by the manipulation of the top pulley system and the rotation of the mast at the base. The load is lifted by another pulley system connected to the top of the boom. [2] In a medium load lifting, another construction method can be ...

  5. Site plan - Wikipedia

    en.wikipedia.org/wiki/Site_plan

    A site plan or a plot plan is a type of drawing used by architects, landscape architects, urban planners, and engineers which shows existing and proposed conditions for a given area, typically a parcel of land which is to be modified. Sites plan typically show buildings, roads, sidewalks and paths/trails, parking, drainage facilities, sanitary ...

  6. Bermuda rig - Wikipedia

    en.wikipedia.org/wiki/Bermuda_rig

    J-class cutter-rigged sail plan with Bermuda mainsail c. 1930 Bermuda rig , Bermudian rig , or Marconi rig is a type of sailing rig that uses a triangular sail set abaft (behind) the mast. It is the typical configuration for most modern sailboats.

  7. Guyed mast - Wikipedia

    en.wikipedia.org/wiki/Guyed_mast

    A guyed radio mast. A guyed mast is a tall thin vertical structure that depends on guy lines (diagonal tensioned cables attached to the ground or a base) for stability. The mast itself has the compressive strength to support its own weight, but does not have the shear strength to stand unsupported or bear loads.

  8. Here's what to expect when Congress convenes to certify the ...

    www.aol.com/heres-expect-congress-convenes...

    This allows for significant resources from the federal government, as well as state and local partners, to be utilized in a comprehensive security plan, with the U.S. Secret Service as the lead ...

  9. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    Abbreviation Term Notes M medium Wake turbulence category: MAC mean aerodynamic chord: MAC mid-air collision: MAHF Missed Approach Holding Fix Used in RNAV MANAB Manual of Word Abbreviations [15] Used in Canada MAP manifold absolute pressure: MAP missed approach point Or: MAPt. Instrument approach. MAPS Minimum Aviation Performance Standards MATS