| 摘要 |
<p>A protective arrangement comprising one or several plane structures such as protective plates or elements, each one of which is meant to be used with one or several similar ones and are removably attached to one another. The structural part is stiffened in proportion to bending and has stiffening ribs. The arrangement is meant for temporarily protecting a field of grass and/or ice. One or several plastic based thermal insulation assemblies are attached to the downward side of the supporting structural part. A supporting structure is formed from the thermal insulation assembly that projects from the downward surface of the stiffening ribs.</p> |
