摘要 |
<p>The base end section has a side (11) having a wall surface which can be cleaned, and a bent side (12) provided at an obtuse angle to the side (11) on an edge. A connecting side (13) is provided, which to a large extent, is right-angled to the side (11) and being arranged away toward the base end section. An insulation board (20) extends away and being separated from the base end section. The insulation board has a profile (30) and held at the base wall.</p> |