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A playground surface is the material that lies under and around swings, slides, monkey bars and other playground equipment. The surfaces are usually made of wood or rubber and designed specifically for aesthetics, child safety, and/or ADA wheelchair accessibility. Playground safety surfacing often involves the use of recycled rubber tire products such as poured rubber, rubber tiles or loose rubber mulch. ==Playground surface feature comparison== 1. Applies only if a drainage system is installed. 2 Ability to meet standards varies with installation materials and methods. 3. EPDM refers to Ethylene Propylene Monomer, a firm, yet flexible, rubber material. 4. ATP refers to Aliphatic Thermoplastic Polyurethane, a firm, yet flexible, plastic in which sphere-like particles are chemically bonded to a color-fast binding material. 5. When properly installed with a 6" depth. 6. () 〔(【引用サイトリンク】first=Mike )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Playground surfacing」の詳細全文を読む スポンサード リンク
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