摘要 |
<p>The sports surface for tennis is made up of impermeable, non-interconnecting blocks (21) which can be installed by hand, into, or withdrawn from, a fixed or transportable frame. The blocks are flexible allowing installation directly onto the ground without any preparation other than simple levelling if necessary. The blocks are of moulded plastics with metallic reinforcement (23) and have voids (25) in their lower faces and convex upper faces (22) which, when installed, become flat under their own weight. Grooves.</p> |