The door. Made of wood or metal, square inches, width of door pillar measured from the 3x3 in 3-meter high door beams apart from water surface measured from the bottom 90 cm (if the pool water from the depth of 1.50 meters race), or 2.40 m high from the floor of the pool in the event that more than 1.50 m plus door should be bound to float it on the outside so that the lever the door height level is always stick to use for hanging or floor of the pool. The door must have a mesh canvas mounted. The depth of the rear doors of at least 30 cm deep, if not deeper, about 90 cm should be limited.
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