Startup ignition and full burn of helicopter turbine (bell 206) throttling up until full flight, long clip, 8 minutes, first 15 seconds are empty unfortunately.
Ceramic mugs being clinked together. Useful for those moments of "cheers!" also probably useful for general mug handling noises if someone is carrying multiple empty mugs with one hand.
A completely synthesized ambience of an empty warehouse. There seems to be some sort of fan or vent operating in the distance. . Made with toxicbiohazard.
This is leonelmail's sound "empty room tone 4 - large room background traffic" (https://freesound. Org/people/leonelmail/sounds/427851/), but i removed the loud whine.
Just some random skate sounds made with different parts of the blade. Some deep edges, scrapes, scratches, skids, toe picks, stamps etc. . . Solo skating in an empty rink.