Sand had to be taken out before the test to find out where to find the slope at an angle on the side and then put the stone pavement, and the heap of sand to a load and increase the security of sand piles
The improvement of the quality of the sand using the Vibro Compaction to make a pile of sand, is a gap less Island, you can get better, and the technique used was made by drilling holes, and then send the head vibratorand as far as you can go and fill the sand Mill, continuously until the desired level is Island, it will be lowered
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