| 摘要 |
<p>Slabs of fibrous or plastic material sheathed in a fabric or plastic envelope with peripheral flanges having eyelets to allow the panels to be clipped together or pegged to the ground. Pref. slabs are of expanded PVC in heat sealed sheet PVC envelopes. For protecting ground (pitches, or tracks) against rain, snow, frost, sunshine, etc. The panels are lightweight, weather-proof, may be assembled to suit various shapes or areas.</p> |
