The sewage treatment plant (13): the secondary sludge tank
Sounds recorded at a secondary tank, where the sludge from mechanical and biological treatment is mixed. The waste will be used for…

Saliva ejector system used in a dental practice (Brussels). This system is integrated on the dental unit S 300 (STERN WEBER)
Sounds recorded at a secondary tank, where the sludge from mechanical and biological treatment is mixed. The waste will be used for…
We can hear also an air draft through the mine. The Coal mining Museum of Slovenia in Velenje is certainly one of…
The sound of a mill grinding wheat malt. The recording was made in the Ursa Maior brewery in Uherce Mineralne (Poland). The…
Malmö central station is a busy place. The food court in which this recording was made offers around 30 different restaurants. The…