In certain areas which have frequent lightning strikes, it is worthwhile to outfit your home with a lightning protection system. This is not a job for the average do-it-yourselfer, and even a professional electrician needs to have specialized training to properly install a system. Manufacturers of lightning protection equipment will only sell to certified installers.
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It is recommended that every home have at least one fire extinguisher, preferably in the kitchen. If possible, one should be located on each floor of the house as well as in potential combustion areas, like the garage, furnace room and storage rooms. Choosing the right kind of fire extinguisher is also important.
VOC stands for Volatile Organic Compounds. VOCs are chemical compounds that are carbon based and are in the form of vapor when at room temperature. In this case, organic is not a good thing, and indicates that these compounds do not occur naturally, but only as by-products of man-made substances.
Products and materials which contain volatile organic compounds release them as vapors through a process known as outgassing, which is lot like evaporation. The compounds are referred to as volatile because they are made of unstable molecules which are easily released into the atmosphere, particularly in environments of higher heat and humidity.