PROBLEM TO BE SOLVED: To provide a simple greenhouse suitable for fruit, vegetable, flowering plant etc. in which, expensive material, complicated work requiring manpower or period or large installation area are not required and which may be extremely easily established even an old person, inexperienced worker or beginner every time and everywhere as required.SOLUTION: A cutting is arranged from one end 1p, 11p, 21p, 31p of polygonal as triangle or more, circular or elliptic synthetic resin sheets 1, 11, 21, 31 to center 1c, 11c, 21c, 31c. A fixing means 3, 3 is arranged at a part near both side of the cutting.SELECTED DRAWING: Figure 1
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