Bleeding a bike wheel:
-
Police whistle
-
Throw the item in the trash.
-
Small crank rotation
-
Fussing in the thicket, rustling leaves
-
Umbrella pulling telescopic tube
-
Bunsen Burner, Chemistry
-
Scratch
-
Electronic bird singing
-
Throw a match and a glass container
-
Scanning goods at the supermarket checkout
-
Account notification tone, Beep
-
Air conditioning,, The noise of the room
★★★★★