| The direction parallel to the paper-bound edge of a sheet of gypsumboard.
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| Area where commercial and industrial refrigeration machinery, except the evaporators, is located.
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| Large zones of earthquake activity such as zones designated by the Uniform Building Code Map.
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| Coloring matter originally derived from the pulverized root of a plant cultivated in Europe and Asia Minor; now largely made synthetically.
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| White extender pigment which adds fluffiness to products in which it is used; provides very little opacity.
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| A body having the capability of attracting iron and producing a magnetic field external to itself.
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| A cabinet catch that uses a magnet to hold the door closed.
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| Device operated by magnetism to connect or disconnect a power drive.
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| An instrument showing the direction of magnetic north and compass bearings.
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| Magnetic center of a magnetic field.
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| A door holder using a magnet to hold it in an open position.
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| A region of variable force around magnets, magnetic materials, or current-carrying conductors.
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| Door-sealing material which keeps door tightly closed with small magnets inserted in gasket.
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| A special design hammer magnetically sensitized to hold a metal fastener during application.
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| 1. Either of the two nonstationary areas in the north and south polar regions of the earth to which a magnetic compass needle will point 2. Either of the poles of a magnet.
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| Automatic protective equipment using an electromagnet to operate; insures that a motor does not receive too high a current when starting up.
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| Having the properties of a magnet.
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| A field of force which causes a magnet to attract materials made of iron, nickel-cobalt or other ferrous material.
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| An aggregate used in heavyweight concrete, consisting primarily of ferrous metaferrite (Fe3O4); a black magnetic iron ore with a specific gravity of approximately 5.2 and a Mohs hardness of about 6.
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| A diode vacuum tube in which the flow of electrons is controlled by an externally applied magnetic field to generate power at microwave frequencies; the active element of a microwave oven.
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| An increase in lateral forces at a specific site for a specific factor or set of conditions.
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| A measure of earthquake size which describes the amount of energy released.
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| A thin layer of straight-grained medium density wood for an outer finish or decoration.
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| Member of the Appraisal Institute; a professional designation of a qualified real estate appraiser.
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| An inclined or vertical channel through which mail travels from the exterior of a box or building to a container inside that box or building.
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| 1. A switch in a main electrical service panel where the service wires attach. 2. The main electrical service protective device where the power enters a building.
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| see Main Outlet.
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| Outlet fitting(s) at the bottom of a swimming pool, spa or hot tub through which passes water to the recirculating pump; also called Main Drain or Sump Pot.
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| The heaviest integral supporting members in a suspended ceiling; main runners are supported by hangers attached to the building structure and in turn support furring channels or rods to which lath is fastened.
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| see Service Disconnect.
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