This image shows a diamond shaped warning sign with a black pictogram of a falling rock or debris striking the ground the sign is 库存例证 this image shows a diamond shaped warning sign with a black pictogram of a falling rock or debris striking the ground the sign is
Warning sign depicting a falling rock or debris hazard on slope this image shows diamond shaped with black pictogram of striking 库存例证 warning sign depicting a falling rock or debris hazard on slope this image shows diamond shaped with black pictogram of striking
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