Computer turning on, off, humming fan:
-
SMS notification sound
-
Clothes dryer
-
Electronic melody for SMS alerts
-
Windows notification sound
-
Air conditioning, off, on
-
Exhaust fan
-
Sound to start presentation
-
Whatsapp notification sound
-
IPhone notification sound
-
Android notification sound
-
An electric toothbrush
-
Spaceship freezer, defrost process
★★★★★