| 摘要 |
<p>The screen wall comprises a number of layers (5,6), one layer (5) being of metal in the form of plate, netting, bars or foil or a combination, whilst the intermediate layer (6) comprises the wall body which consists of e.g. a veneer sheet or a mineral wool plate. The wall metal layer (5) has an earth connection via a plate (2) fixed to the layer, and with an attached earthing cable (3) and earth unit (4). (Provisional basic advised week 9304).</p> |
