1Diesel Drill with Mechanical Slow Start-Up, Metallic Rolls and Clanks
2Factory Machine with Metal Objects Spinning in Metal Container
4Factory Machine Turned on with Low Creaks and Stresses and Hum Rising in Tone
5Factory Machine Turns on with Quick Rise in Hum with Whirl and Metal Squeaks
6Factory Machine Ambience with Metal Clanks, Squeaks and Constant Humming
8Factory Machine Switches on with Hum and Very Fast Rise in Pitch
9Factory Machine Switches on with High-Pitched Metal Squeaks and Clicks
11Factory Ambience with High and Low Frequency Machine Hum and Buzz
14Small Factory Machine with Pull Chain and Stead Run with Hum and Whirl
16Hand-Operated Machine with Metal Clanks, Creaks and Squeaks
17Factory Background with Steam Pressure Air Release and Fast Metal Clanks
21Factory Machine Switches on with Low Hum Slow Rising in Tone and Whirling, With Small Knocks
22Factory Machine Switches on with Hum with Small, Fast Chain Clanks
24Factory Machine Switches on with Low Hum with Small Metal Knocking and False Start
2Subway Train Arrives with Long Brake Squeals and Rail Clicks and Stops Close to Mic
3Continuous Single Cicada Ratchet with Faint Bird in Background
4Victoria Train Station London in London with General Background and Activity
6Country Night Ambience with Crickets and Insects Chirping and Buzzing and Frogs Calling
8Marsh Ambience with Large Bed of High-Pitched Insect Hum, Light Chorus of Frogs and Intermittent Exo
10Large Subway Platform Wide Perspective with Train Arriving with Brake Groan and Air Hiss
