Wind turbine
A wind turbine is a device that converts kinetic energy from the wind into electrical power. Horizontal-axis wind turbines (HAWT) have the…

When operating a mine cage, they use different bell signaling methods.
For the stop signal the bell rings twice.
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
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