Description: Construction Background 2; Construction Ambience; In Foreground -jackhammer, Truck Movement / Backing Up, Metallic Squeaks. In Background -saws, Hammering, Trucks, Close To Distant Perspective.

Description: Electric Motor; Constant; Electric Motor Constant And Stop. Sounds Hollow.

Description: Electric Motor; Large ( Various ); Large Electric Motors Various. Take 1 Medium Weight Quick Start, Long Run And Stop. Repeats.

Description: Air Valve; Heavy Air Pressure, Hiss, And Whistle.

Description: Construction Site Atmosphere; Construction Site Atmosphere. Mid Shot Rivet Gun With Banging And Traffic Background.

Description: Electric Motor; Light; Light Electric Motor Whir. Start, Run And Stop.

Description: Generating Station Loop Turbine Running.