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It most likely depends on your soil composition and the water table in your area.

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Q: How big should the footing be for a retaining wall?
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How much does it cost to repair a stone wall?

Depends how much damage has been done, the type of stone, how big it is, etc.


Are exterior walls load bearing?

Depends on where it is. If it is the center wall that runs down the middle of the house under the peak of the roof, then yes. Usually the ceiling joist are lapped on top of this wall. Any outside wall is also. cross wall around upstair bath may be also. Almost any wall can me moved and a beam put in it's place but you need to know what you are doing to do it. Broad, general rule of thumb is any wall running the same direction as the main peak of the roof probably is a bearing wall.


Should dc voltage be grounded on one side of a fuse?

only if you want to see big sparks!


Sources of business information?

The internet is a great source that is at everyone's disposal, as well as companies that specialize in this field. The Wall Street Journal, also has tons of information available about big corporate business and provides insight into the marketplace.


What is a dams purpose?

A dam is a big wall to stop water getting through to certain places. It is also used to irrigate water, and some dams, to make hydroelectricity. Hydroelectricity is electricity that comes from water. It is a environment friendly way of getting energy or power. Dams are, of coarse, found mostly on rivers though always on water of some kind. Some are huge and some are smaller. For example, on the Euphrates River, the Ataturk dam, it very big and is used for quite a few things. It is found in Southeastern Turkey and is the 5th biggest dam in the world.