Grinding imperfections from billets
The sound of grinding imperfections from a billet. Grinding to remove surface defects from billets after thermal treatment, which leaves microscopic cracks…

A ride on the underground railway.
The Coal mining Museum of Slovenia in Velenje is certainly one of the most exciting and recognizable tourist in the Šaleška valley. It is the result of work of many generations of Slovenian miners and it represents a very interesting way of cooperation with the still working Coal Mine Velenje with an annual production of around 4 million tons of coal and coal mining tradition that has lasted since 1875.
Sound recordist: Boštjan Troha
Photographer: Jaka Blasutto
Video: Irena Marušič, Katarina Batagelj
The sound of grinding imperfections from a billet. Grinding to remove surface defects from billets after thermal treatment, which leaves microscopic cracks…
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