| vtech |
 Posted: Wed Jul 30, 2008 5:45 am Post subject: Re: Air Conditioner |
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| Williams wrote: |
Air conditioner is a wonderful mechanical appliance system which helps to protect from summer hot season. Generally it is used to extract heat from an area using a refrigeration cycle. In construction, a complete system of heating, ventilation, and air conditioning is referred to as HVAC. Its purpose, in the home or in the car, is to provide comfort during either hot or cold weather
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Daves
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