1.Cough 2.Typing 3.Opening the fridge 4.Closing the fridge 5.Turning on the water heater 6.Tap running 7.Opening the door 8.Closing the door 9. Water boiling 10. Water heater beeping 11.Zipper 12. Message Tone 13. Video Chat Tone 14.Elevator door Opening  15. Turing the page 16.Printer 17. Stiring with ice 18. Putting down the window shade 19. Turning off the lights 20. Air conditioner