Extraction of filling gases and subsequent treatment, either by passing the gases into the adjacent oven or by passing via a collecting main to an incinerator and a subsequent dedusting device.
izločanje polnilnih plinov in njihova poznejša obdelava, in sicer tako da se spustijo v sosednjo peč ali skozi zbiralni vod v sežigalnico in potem še skozi odpraševalno napravo.