Door opens or closes with creaks and squeaks
Deep mud being boiled steadily with some faint metal creaks.
Antique 1890s Elevator - gate sliding closed, buzzer, movement lever.
Antique 1890s Elevator - Lever up, and stop, gate sliding open, lever disengaged. Complex movement.
Fiberglass chair adjusting for seating, reflective, roomy.
Metal hand cart - two weels, loaded. Hop over gap and roll
Metal hand cart, loaded, rolling over gap, hard.
Shipping container doors closed and locked from outside - internal perspective.
Shipping container doors closed from outside - internal perspective.
Shipping container door opening and closing - internal perspective