Factory door sliding open

Factory door sliding open (Wet)

Hydraulic machine whirring

Garage door opening - creaking & whirring

Sirens wailing - old emergency siren

Machine whirring & cutting

Warehouse shutter door pulled closed

Warehouse shutter door pulled shut

Heavy door opening & closing (Industrial)

Industrial door opening

Water flowing through forest watermill

Industrial button click

Blacksmith crafting metal

Blacksmith hammering metal

Chiselling wood

Industrial crank turn

Industrial wrench turn

Hammering metal

Hammering metal (Long)

City ambience - industrial

Fridge humming