| 摘要 |
PROBLEM TO BE SOLVED: To prevent a bird from nesting by efficiently covering the periphery of an arm fixed on a utility pole. SOLUTION: This nesting-preventing tool Al to be attached to a horizontal arm B fixed to a utility pole P has an attaching metal fitting 1 capable of freely detachably attached to the arm B, a supporting metal fitting 5 integrally protruding from the attaching metal fitting 1, and a supporting member 10 freely detachably attached to the supporting metal fitting 5, and plural barrier rod bodies 11 are arranged so as to stand on the upper surface of the supporting member 10 along the arm B.
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