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Sciences > Atmosphere & Weather Causes and effects of humidity: 2 of 8
Absolute humidity is the amount of water vapor in the air. Relative humidity measures the amount of water vapor in the air relative to the amount of water the air can hold. The lower the percentage, the drier the air. Very arid areas have single digit relative humidity, while rain forests rarely have lower than 90% humidity. ... More..
Home & Garden > Architecture What to consider when building in permafrost: 1 of 4
The rules for building on permafrost have changed. Permafrost used to be permanent. However, building on permafrost today requires footings that will survive even if the permafrost permanently melts.Permafrost is defined as ground which has been frozen for two or more years. This condition is specific to northern arctic and s... More..
Business > Business (Other) How to find the best coating products for the exterior of your commercial building: 1 of 4
From maintenance painting to sealants to specialty products such as stucco or simulated stonework, commercial building painting can draw upon hundreds of products to professionally finish or touch up every type of exterior surface.TEX-COTE (Textured Coverings of America)The high quality of TexCote products has helped make thi... More..
Sciences > Atmosphere & Weather Uses of an Anemometer: 2 of 7
An anemometer is an instrument which measures wind. They come in two main types, those which measure wind speed and those which measure wind pressure. Many anemometers also show wind direction. Wind speed and direction are part of the data collected by weather stations to predict the weather. This information is also needed b... More..
Home & Garden > Electrical Repairs Ceiling light fixtures for the home: 3 of 7
The purpose of ceiling light fixtures is to light a large area so as to complement the character and intended use of a room or other large area. Most ceiling light fixtures are designed to give a broad, diffuse light. They may also direct ceiling light against a highlighted wall or floor area. Different interior spaces requir... More..
Business > Business (Other) How to enhance a commercial building's attractiveness through color: 2 of 4
Painting commercial buildings is part of every building management budget. Good use of color will draw in the right kind of customers. A commercial building that is well maintained and is an asset to its neighborhood will also help deter graffiti.When choosing a color for a commercial building, there are five factors to take ... More..
Business > Business (Other) What experts recommend for removing graffiti: 4 of 7
Graffiti is a type of vandalism where public or private property is defaced by marking or etching without the permission of the owner or manager. It can be very costly to remove, but leaving graffiti in place has been shown to encourage more graffiti, which lowers property values and may be linked to increased gang activity. ... More..
Sciences > Atmosphere & Weather Defining heat lightning: 6 of 10
Heat lightning is distant lightning without thunder or rain. It usually occurs when the weather is hot and muggy. For this reason, it is also sometimes called summer lightning.Heat lightning usually belongs to a storm which is too far away for the thunder to be heard. Thunderclouds are often very tall, so lightning in their h... More..
Home & Garden > Electrical Repairs What to know about low voltage wiring: 3 of 5
Low voltage wiring is any wiring designed to carry less than 50 volts, usually less than 25 or even 12 volts, in a limited power circuit. This is in contrast to standard household 120 or 240 voltage. Low voltage wiring is usually much thinner than household electric wire, although sometimes several low voltage wires are twist... More..
Sciences > Atmosphere & Weather Lightning conductors and thunderclouds: 5 of 8
A lightning conductor (United Kingdom) or lightning rod (United States) protects a building from lightning. It is designed to be struck instead of the building, so that it can channel the lightning safely down to the ground. Because the rod does not itself draw the lightning, it is mounted at the highest point of the building... More..