摘要 |
<p>The system has side surface units (1-4) that are attached to an installation wall or to an installation unit, where the units are diagonally engaged in an angle of two degrees to eighteen degrees opposite to a plumb line. The units, wall, and the unit have an angle of 78 degrees to 108 degrees in a horizontal section plane. The units are made of a transparent material having a partially reflecting upper surface.</p> |