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| Electrostatic air cleaner
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A device that uses an electrical charge to trap particles traveling in the air stream. |
| Electrostatic filter
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Filter with the opposite electrical charge of the particles it needs to attract. Opposite electrical polarities attract in the same manner as a magnet. Particles are drawn to the filter and trapped by their electrostatic attraction to the filter. |
| Electrostatic painting
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Electrically charged powder is sprayed on a surface that is charged with the opposite electrical charge and then bakes on the coating in this type of painting. |
| Electrostatic precipitator
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A device used to remove particulate matter from the waste gasses of a combustion power plant. |
| Eleemosynary
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Charitable gesture such as real estate donated to a charity, which value would then be tax deductible. |
| Element
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(1) Part of a whole. (2) Any of the four substances (earth, air, fire, water) formerly believed to constitute all physical matter. (3) Basic substance (oxygen, hydrogen, carbon), which cannot be made into a simpler substance through chemical reaction. (4) Electronic device. |
| Elevation
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(1) The drawings of the front, sides, or rear face of a building. (2) The vertical distance between the level where fluid enters a pipe and the level where it leaves. It must be added to the total discharge head if the inlet is lower than the outlet and subtracted if the inlet is higher. |
| Elevation map
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Representation on a flat surface of any region that depicts the elevation of that region. |
| Elevations
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Exterior view of a home design, showing the position of the house relative to the grade of the land from the front, sides or back. |
| Elevator
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Suspended car or cage, attached by cables to a machine to move it, which is used for hoisting or lowering people or things |
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