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  2. Orthopedic cast - Wikipedia

    en.wikipedia.org/wiki/Orthopedic_cast

    A hip spica cast, by contrast, is used to immobilize the trunk and one or more legs. Variants include the single hip spica, which covers the trunk and one leg down to the ankle or foot; the double hip spica, which covers the trunk and both legs; and the one-and-a-half hip spica, which encases one leg fully and the other only to above the knee.

  3. Orthometric height - Wikipedia

    en.wikipedia.org/wiki/Orthometric_height

    The orthometric height (symbol H) is the vertical distance along the plumb line from a point of interest to a reference surface known as the geoid, the vertical datum that approximates mean sea level.

  4. Grounding kit - Wikipedia

    en.wikipedia.org/wiki/Grounding_kit

    Grounding kits for different diameters Part of a tin-plated ripple. Grounding kits / Earthing kits are composed of two main components, a clamp and a cable. The clamp will be screwed on a coaxial cable and in case of lightning strokes in the antenna installation, the voltage will be diverted over a ripple in the clamp with the combined cable and will be earthed / grounded by this way.

  5. Orthomode transducer - Wikipedia

    en.wikipedia.org/wiki/Orthomode_transducer

    An ortho-mode transducer is also a component commonly found on high capacity terrestrial microwave radio links. In this arrangement, two parabolic reflector dishes operate in a point to point microwave radio path (4 GHz to 85 GHz) with four radios, two mounted on each end.

  6. Facemask (orthodontics) - Wikipedia

    en.wikipedia.org/wiki/Facemask_(orthodontics)

    Teenage patient been fitted with her orthopedic / orthodontic facemask - required wear-time 16 hours daily. A facemask (also referred to as a protraction facemask, orthopedic facemask, or reverse-pull headgear) is a type of an orthodontic headgear used to treat underbite and other malocclusions where the upper jaw is too far backwards. [1]