摘要 |
<p>System (1) comprises a burner, a feed line (3.4) from a welding arrangement (3.8) to the burner, a funnel (3.1) arranged around the outlet opening of the burner, a suction unit (3.7) and a suction tube (3.2) running from the funnel to a filter (3.5) and the suction unit.</p> |