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| Paper and wire
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Tar paper and wire mesh (or metal lath) that are used as a backing for the installation of tile. |
| Paper profit
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An increase in value above original cost or basis that would be realized if he property were sold. Until a sale occurs, the increased value is not recognized in the accounts. When the property is sold, there will be a realized gain or loss. |
| Paper title
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Passing of title to property that is in fact not valid. |
| Paper, sheathing
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Moisture resistant paper, which is applied under a final covering of roofs or walls, to serve as a barrier against the weather. |
| Par lamp
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Par is an acronym for parabolic aluminized reflector. A par lamp which may utilize either an incandescent filament, a halogen filament tube or hid arc tube is a precision pressed-glass reflector lamp. Par lamps rely on both the internal reflector and prisms in the lens for the control of the light beam. |
| Parabolic aluminized reflector lamp
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A type of lamp having a lens of heavy durable glass that focuses the light. They have longer lifetimes with less lumen depreciation than standard incandescent lamps. |
| Parabolic arch
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Also called Tudor, Gothic, or semicircular arches, they are arches which have a span of more than six feet with a rise-to-span ratio in excess of 0.15, having a load capacity of 1,000 pounds per foot. |
| Parabolic dish
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A solar energy conversion device that has a bowl shaped dish covered with a highly reflective surface that tracks the sun and concentrates sunlight on a fixed absorber, thereby achieving high temperatures, for process heating or to operate a heat (Stirling) engine to produce power or electricity. |
| Parabolic louver
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A devise composed of cells constructed in a parabolic shape with a specular finish. This shape provides better light control, thus reducing glare and light pollution. |
| Parabolic trough
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A solar energy conversion device that uses a trough covered with a highly reflective surface to focus sunlight onto a linear absorber containing a working fluid that can be used for medium temperature space or process heat or to operate a steam turbine for power or electricity generation. |
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