Description: rattling sound of a food processing mixer

Description: A large industrial metal framed industrial building being demolished.

Description: A varied collection of British European birds singing and flying perfectly looping for a continuous nature ambiance.

Description: Large Walk In Freezer: Heavy Compressor Hum, Large Fan

Description: Oil Refinery: Blast Furnace: Heavy Jet Like Roar

Description: Oil Refinery: Hot Steam Filament Rattle, Constant Light Background Rush, Light Activity

Description: Oil Refinery: Constant Steam Blast Roar

Description: Large Outdoor Wind Turbine: Light Constant Whistling Wind, Light Industrial Background