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A significant part of your entire car audio system consists of just wires. There are all kinds of cables and wires involved in installing a car audio system. You have power wires, speaker wires, amplifier cables, power capacitors, and what not. It is always better to be equipped with at least the basics before you go in for car audio installation.

The power wire is an important part of the amplifier installation. Select the proper gauge and fusing. A proper gauge prevents the amplifier from being choked off by the size limitations of the wire. Choose power wires with lots of strands, so that they are easier to install and don't break while passing through the numerous corners of the car. The jacket of the wire should be of a material, which can resist chemicals like oil and battery acids, which can wreak havoc on substandard wires.

You can go for wires with large number of strands for the car audio speaker wires. The jacket is not that important in this case, because the speaker is not placed in regions where it could encounter chemicals, as in the case of power wires. Oxygen free copper wiring is always recommended for car audio speaker wires. The size of the speaker wiring depends on the power going in to your speakers and the total length between the amplifier and the speakers.

Signal cables are otherwise known as RCA cables and assume importance for their noise rejection properties. Try and go in for a quality RCA cable, which would ensure trouble free performance in the long run. It is recommended that you go in for "twisted pair" cables. They are better at noise reduction. Needless to say, the quality of wires connecting car audio power capacitors and batteries should also be good.

One can find extensive information on car audio wiring by visiting online resources on the subject. Perhaps car audio professionals are best placed to offer you great advice on car audio wiring.

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AP - Barack Obama visited Saturday with U.S. troops and Afghan officials in this war-weary nation, which is the focal point of his proposed strategy for dealing with threats to the U.S. if elected president.

The summer out door season is here. But do not just grab that old Nalgene water bottle and head out doors. Even more important do not drop by the local convenience store and pick up a few of those disposable sports bottle full of what is often called mountain spring water (which cost once per ounce far more then gasoline).

Those bottles are made #1 plastic which is one of the most toxic of the plastic's. The ppm of these chemicals rise quite dramatically as the temperature rises. Most of us have detected how much more our water tastes tainted when the bottle has been exposed to higher temperatures but had no reason to suspect we where exposing our selves to harmful chemicals.

There is evidence that shows trace amounts of BPA (Bisphenol) leak out of the small cracks and bruise marks that form over years of use. BPA has been shown to interfere with the body's natural hormonal messaging system and studies have shown a connection to breast and uterine cancer, an increased risk of miscarriage, decreased testosterone levels and issues in children's developing systems. BTW it should be noted BPA is also found in those sippy cups AND most baby bottles. Then consider the environmental impacts:

There are more than 60 million plastic bottles tossed into waste containers a day which translates to roughly 22 billion a year!

Instead grab a reusable aluminum or stainless steel water bottle. Not only do they impart no unpleasant plastic aftertastes to the much needed water but you will be doing your part to keep more plastic out of land fills and incinerators.

Marc spent 20 years racing bicycles and doing Ironman length triathlons. Now he hikes, bikes geocache's and plays golf with his wife and 2 boys while running several web sites including http://www.olympiccaching.com where not only can you read more about safe bottles but he offers geocaching tips and supplies.

AP - An elderly woman was attacked by a large kangaroo on a farm in Australia and was lucky to be alive after a pet dog leapt to her aid, her son said Saturday.