Description: Big machine clicks on and winds up.

Description: Close on a heavy duty industrial buzzer buzzing. Short to long bursts. Stereo.

Description: Large machine clicks on, runs for a short time then shuts off with a shudder. Stereo.

Description: Small, short burst of air or steam from a machine. Two times.

Description: Close up field recording on pile driver in action. Stereo.

Description: Auto repair shop industrial air wrench in action. Stereo.

Description: Heavy duty buzzer. Like submarine dive alert. Close then further. Stereo.

Description: Miners dig with pick axes in an underground coal mine. Mono.

Description: Large, heavy duty servo type motor with engage and disengage. JO

Description: Interior factory, fat alarm buzzer. Long sustain with off.