| 摘要 |
<p>New clay-like athletic surface compositions that utilize different types of glass cullet, such as container, ceramic, or plate glass, are provided. Preferably, recycled container-glass cullet between 1.4 millimeters and 20 microns in size is used to provide a slow playing, resilient surface good for a variety of athletic purposes, such as tennis, track and field, and bocce.</p> |
