1 The following method is to be used for testing the structural integrity of the playing surface of a playpen, of any component of the playpen that is located below the playing surface and of the playpen’s rigid structural components under static conditions:
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(b) place two wooden blocks, each of which has a square base that measures 152 mm × 152 mm, on the playing surface 152 mm apart at the location that is most likely to be damaged as a result of the step set out in paragraph (c); and
2 The following method is to be used for testing the structural integrity of the playing surface of a playpen, of any component of the playpen that is located below the playing surface and of the playpen’s rigid structural components under dynamic conditions: