Diesel Drill with Mechanical Slow Start-Up, Metallic Rolls and Clanks

Factory Machine with Metal Objects Spinning in Metal Container

Factory Machine with Loud Metal Clanking and Scraping

Factory Machine Turned on with Low Creaks and Stresses and Hum Rising in Tone

Factory Machine Turns on with Quick Rise in Hum with Whirl and Metal Squeaks

Factory Machine Ambience with Metal Clanks, Squeaks and Constant Humming

Factory Machine Switches on with Electric Zap and Buzz

Factory Machine Switches on with Hum and Very Fast Rise in Pitch

Factory Machine Switches on with High-Pitched Metal Squeaks and Clicks

Factory Machine Turned on with High Metal Squeaks

Factory Ambience with High and Low Frequency Machine Hum and Buzz

Factory with Constant Machine Hum and Distant Metal Drops

Factory with Constant Machine Hum in Background

Small Factory Machine with Pull Chain and Stead Run with Hum and Whirl

Factory Machine Hum with Buzz Start up and Steady Cycling

Hand-Operated Machine with Metal Clanks, Creaks and Squeaks

Factory Background with Steam Pressure Air Release and Fast Metal Clanks

Factory Background with Loud Machine Hum and Wash

Diesel Wheat Grinder with Metal Clanks and Chain Movement

Metal File Scraping Against Metal in a Sawing Motion

Factory Machine Switches on with Low Hum Slow Rising in Tone and Whirling, With Small Knocks

Factory Machine Switches on with Hum with Small, Fast Chain Clanks

Hand-Operated Machine Squeaks with Metallic Rolling

Factory Machine Switches on with Low Hum with Small Metal Knocking and False Start

Factory Background with Machines Running and Steam Blasts