Rain water flowing into shipping area.1. get the ground water table, the building and the lower surface on the outside of the building. 2. the edge of the water barrier broken by a collision of the Palace thasai piecework.3. oil-cooled Rails too small make to accommodate the water from the roof bar.Creating the trough drain, by expanding the width of the original 15 cm, 30 cm and a depth of 15 cm is from the original 50 cm.Distance from the edge of the original water table by 20 cm in order to prevent damage from the shock of the pallet.
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