Background, Tokyo, Ambience, Elevator, Automated Announcement, Doors Open and Close, Up and Down

Percolator, Gurgly and Wet, Slurping Breaths

Percolator, Weird Slurps, Squirts, Gurgles

Boiler Room, Heavy, Banging Rhythm, Constant, Loop

Air Release, Spacious Rhythm, Hissing Machine

Machine Whir, Rhythmic Squeals, Squeaking and Grinding

Machine Wind Up, Running, Winding Down, Steamy, Multiple Versions

Reciprocating Engine, Heavy Metallic Clanking, Rhythmic

Pile Driver, Heavy Machinery, Rhythmic Pattern, Reverberant

Machine, Low Motor Rumble, Dense, Constant