Relay based interlocking for railway operation
In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as…

When operating a mine cage, they use different bell signaling methods.
For the driving signal- a cage is on a lower levell - the bell rings three times.
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
In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as…
Transmission belts were used during the early years of industrialisation to power all kinds of machines. A system of shafts and leather…
The recording was made during a motorboat cruise on the Wroclaw Water Junction. It is a shipping route in Wrocław consisting of…
Sandblasting is used to remove paint and rust from the ship hull. Sandblasting is a general term used to describe the act…