c) to reduce the penetration of surface waters into the ground, the channel of drynesses and small streams is wetted on the moss;
d) Shorty and lying are covered in a layer in oily clay with thin layers with a tamp, and the racks within the layer A are wrapped in two layers of birch bark or the Tolm freely without nails and sprinkled with gravel or large sand, dry on the width in each side of at least 0, 50 m;
