machine use to extract sand from sea
1) Pick a low spot at the edge of the dune/wetsandborder. 2) Lay the sail down on thesandand spread it out flat. 3) Trace the size of the sail on thesand. 4) Dig a trench approx. 2 ft. inside the traced triangle, and place the excavatedsandwithin the 2ft border (inside the trace), and place somesandin a pile in the middle of the triangle.
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