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Searched The Knowledge Base for "filters"
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Activated carbon (AC) filters have been used in home water purification systems primarily to remove taste and odor. Taste and odor, although undesirable, are generally not considered unhealthy.
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In tighter, more energy-efficient buildings, pollutants are not as readily removed by natural ventilation. Filters or electronic air cleaners trap particulates (tiny particles) from the air flowing through them and recirculate the cleaned air back to the building interior.
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There are many features about a home that make a difference in the amount of energy needed for heating, cooling and lighting. Thus, these features can have a major impact on the amount of money you devote to maintaining the winter and summer comfort of occupants.
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Glass is a highly versatile medium. In its molten state, it can be spun, blown, rolled, cast in any shape, and given any color. Once cooled, it can be polished, beveled, chipped, etched, engraved, or painted. Of all the decorative effects possible with glass, however, none is more...
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The paint Americans used in the past is undeniably part of a technological and commercial record. But beyond that, the colors we have chosen and continue to select for our interior...
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Lead-based paint, a toxic material, was widely used in North America on both the exteriors and interiors of buildings until well into the second half of the twentieth century. If a "historic" place is broadly defined in terms of time as having attained...
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When deteriorated, damaged, or lost features of a historic building need repair or replacement, it is almost always best to use historic materials. In limited circumstances substitute materials that imitate historic materials may be used if...
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Historic buildings are not easily adapted to house modern precision mechanical systems. Careful planning must be provided early on to ensure that decisions made during the design and installation phases of a new system are appropriate.
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When all means of finding a productive use for a historic building have been exhausted or when funds are not currently available to put a deteriorating structure into a useable condition, it may be necessary to close up the building temporarily to protect it from the weather as well as...
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Anyone who has ever walked through historic houses and large public buildings, visited an art gallery, picked up a picture frame in an antique shop, or even ridden on an old carousel has been close to composition ornament, but has probably not known what it was or how it was made.
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<< Previous 10
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Searched The Knowledge Base for "filters"
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Found 11 matches
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