| http://www.w3.org/ns/prov#value | - Playground equipment, such as slides, swings, climbing structures and other elevated equipment, shall be surrounded by a resilient surface of an acceptable depth or by rubber mats manufactured for such use, according to standards of the US Consumer Product Safety Commission; (b) Kept free of litter, solid waste and refuse, ditches, or other conditions presenting a potential hazard; and
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