Curtains or blinds? Blinds or curtains? It's not a simple decision to make with each having their own unique benefits. It's possible to create a good case for using either of them in your house. However I believe that blinds have a little ...
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Plywood is many thin sheets of wood glued together. When layers like this are put together it produces a very sturdy and durable wood. It is important the type of glue used to put the layers together, when a professional adhesive is used ...
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A mechanically powered flashlight is one of several varieties of flashlight that are powered by electricity generated by the muscle power of the user, so they do not need replacement of batteries, or recharging from an electrical source. ...
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Solar street lights have been available for quite a time now, having originally been designed for use in less developed or isolated areas, or perhaps places where the electricity supply has been disrupted by man-made or natural disasters. ...
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The primary appeal of LED street lighting is energy efficiency compared to incandescent bulbs of the same luminance. Research continues to improve the efficiency of newer models. One such advance can be found in a street light product ...
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Low power consumption and long and predictable life time The lifetime of Led Street lights is usually 10 to 15 years which is three times the life of current technologies adopted. The LED’s also have low maintenance cost which adds ...
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The LED street light (also referred to as LED road lighting) is an integrated light-emitting diode (LED) light fixture that is used for street lighting. LED street lights can reduce the cost of keeping streets well-lit when dark. ...
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There are several light sources which have been used in electric street lights. The main types used since the 1940s in the United States have been Incandescent, Fluorescent, Low Pressure Sodium and High Intensity Discharge. ...
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There are two optical phenomena that need to be recognized in street light installations. The loss of night vision because of the accommodation reflex of drivers' eyes is the greatest danger. As drivers emerge from an unlighted area ...
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Pumps are used throughout society for a variety of purposes. Early applications includes the use of the windmill or watermill to pump water. Today, the pump is used for irrigation, water supply, gasoline supply, air conditioning systems, ...
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Although CFLs are an excellent source of energy-efficient lighting, they are not always the best choice for all lighting applications. Here are a few limitations to consider: On/Off cycling: CFLs are sensitive to frequent on/off cycling. ...
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CFLs are available in a variety of styles or shapes. Some have two, four, or six tubes. Older models, and specialty models, have separate tubes and ballasts. Some CFLs have the tubes and ballast permanently connected. This allows you to ...
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Efficient: CFLs are four times more efficient and last up to 10 times longer than incandescents. A 22 watt CFL has about the same light output as a 100 watt incandescent. CFLs use 50 - 80% less energy than incandescents. Less ...
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It's no secret: the cheaper CFL's often burn out quickly. Sometimes even a batch of name-brand bulbs can be bad. I strongly recommend you buy only Energy Star-rated CFL's (look for the Energy Star label), or at least get bulbs that come ...
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Added by VotawA compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light (or less commonly as a compact fluorescent tube), is a type of fluorescent lamp. Many CFLs are designed to replace an ...