Blow-back? For gas BBQs and many other gas stoves they operate with little or no noise and yet occasionally a loud 'pop' is heard before the sound of rushing gas like a blowtorch.
Read MoreWhy is it the everytime a vehicle is involved in a collision or accident of some sort in 'the movies' it explodes? Are we all driving around in the equivalent of a petrol bomb just waiting for that opportunity to blow up?
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