Description: A burst of Thick liquid pumping through an industrial machine pump.

Description: Very deep low throbbing loopable power drone. Suitable for futuristic or industrial background sounds.

Description: Throbbing power drone of a machine for many uses including Science Fiction, Industrial ambiance.

Description: Powering down drone of an electrical appliance. Could be used in futuristic, Science Fiction projects.

Description: Touch tone numeric keys pushed for futuristic sliding opening door.

Description: Throbbing mechanical machine background loop.

Description: Small electrical motor starting up.

Description: Industrial science fiction decompression or airlock, door or chamber.

Description: Industrial science fiction decompression or airlock, door or chamber.

Description: 2 jets of high pressure air.