Make A Whistle Noise. But when you're breathing normally, your mouth is wide and open and the air you exhale silently. A pretty audible and low the bullet leaving the gun makes a noise, when the shot is fired, but bullets are then very silent until they hit something, or 'whistle' close by you. Occasionally, air movement within the refrigerator, as it travels between compartments to keep temperatures constant, can cause a whistling noise that.
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Steve may 12, 2016 6 comments. Make sure to like sub and comment to be enterd in the giveaway. Worn belts also create a whistling noise. There are basically two types of whistle noises. You'll know when you're getting close to your whistle sweet spot because you'll start producing a noise that sounds sort of like you're blowing over a beer bottle. This is handy if you are lost in a forest, just want to get someones attention, or if you want to ref an impromptu soccer game. How to turn off the email notification noise on my blackberry? Think of it like whistling compared to normal breathing:
