Horizontal+surface
81building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
82level — I. noun Etymology: Middle English, plumb line, from Anglo French livel, from Vulgar Latin *libellum, alteration of Latin libella, from diminutive of libra weight, balance Date: 14th century 1. a device for establishing a horizontal line or plane… …
83level — levelly, adv. levelness, n. /lev euhl/, adj., n., v., leveled, leveling or (esp. Brit.) levelled, levelling, adv. adj. 1. having no part higher than another; having a flat or even surface. 2. being in a plane parallel to the plane of the horizon; …
84Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
85obstacle-limitation surfaces — The outer horizontal, conical, inner horizontal, approach, inner approach, transitional, inner transitional, balked landing, and takeoff climb surfaces make up the obstacle limitation surfaces. The outer horizontal surface is a plane located 500… …
86Polarization — ( Brit. polarisation) is a property of waves that describes the orientation of their oscillations. For transverse waves, it describes the orientation of the oscillations in the plane perpendicular to the wave s direction of travel. Longitudinal… …
87level — lev•el [[t]ˈlɛv əl[/t]] adj. n. v. eled, el•ing (esp. brit.) elled, el•ling. 1) having no part higher than another; having a flat or even surface 2) being in a plane parallel to the plane of the horizon; horizontal 3) equal, as in height,… …
88Bicycle and motorcycle dynamics — A computer generated, simplified model of bike and rider demonstrating an uncontrolled right turn. An …
89Aircraft flight mechanics — In aeronautics, aircraft flight mechanics is the study of the forces that act on an aircraft in flight, and the way the aircraft responds to those forces. [Clancy, L.J. Aerodynamics . Section 14.1] Aircraft flight mechanics are relevant to… …
90Difference between train and tram rails — A railroad or railway is a track where the vehicle travels over two parallel steel bars, called rails. The rails support and guide the wheels of the vehicles, which are traditionally either trains and trams. Modern light rail is a relatively new… …
