Automatic telephone exchange – operating
A step-by-step automatic telephone exchange brought into operation in 1921 at a post office in Ljubljana, which was the first automatic exchange…
Torch cutting machine
00:00
01:07
About the sound
The sound of a torch cutting machine.
The scrap steel delivered to the plant is cut down to a maximum length of 1.5m
Metal Ravne is the legal successor to Železarna Ravne. The company's range includes a steel plant programme, which starts the production of all their rolled and forged products. Due to technological modernisation over recent years, the company has all the most important machinery for the production of high-quality steel, including a 45t UHP electric arc furnace, a vacuum ladle furnace and a state-of-the-art ‘teeming pit’ for high-class conventional ingots. Their range of products includes ingots, billets with rounded edges and wide flats, with round, flat and square sections, forged bars, machined forgings, discs, bushes, etc.
Sound recordist: Dušan Oblak
Photographer: Veronika Štampfl
Video recordist: Barbara Grilc
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