The sonicrafter will only cut down to a depth of approx 1 1/2" (45mm). You should confirm this with the manufacturer.
weir
to protect them from enemy's and from animals
Depending on how the fence was initially installed, it should hold up pretty well according to how bad the weather is. A plastic fence will usually do well in freezing weather, as long as you have taken proper precautions. Make sure you insert fence posts below the frost depth, this will prevent frost.
Its just an illusion, you cant actually stack them. They are just placed at the correct angle to make it look like they are stacked.
It is not illegal for a person to put up fence spikes on their property. These are often placed to deter animals.
You should never see a fence on a compass.
That's known as a ground pole.
A 2 foot fence it tall enough.
Yes, if he put the fence up, he should be the one to maintain it.
it is used to encourage the horse not to run around it :)
If you click on a fence you will be able to "move" it. You will see that the fence has a green box under it, and at the sides has a yellow boxes under the side posts. Move the fence's side post onto the side post of the piece that you want it to connect to.