Abstract: Installation for cutting scrap iron by oxygen cutting.characterised in that it furthermore comprises a pit in the form of a channel filled with water disposed beneath the cutting bench, which cutting bench comprises holes in order to allow cutting slag to fall directly into the water in the pit, and in that the cutting zone, in particular the torches thereof, is completely housed inside a large leaktight container internally provided with at least one suction hood for evacuating the vapors, brown smoke and dust emitted during the cutting operation.The installation is connected to a unit for treating the smoke, for dust removal and for denitrification.

Abstract: A multi-probe metering apparatus is characterized by a central unit (I) comprising various signal processing circuits and modules (II) having two gates (A, B) to which are connected various pick-ups (III). The central unit (I) communicates with the module (II) via a numerical signal link (10) for the transmission of pick-up identification signals, and by two analogue links (9, 9b) permitting simultaneous connection of two pick-ups.