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Uploaded on Feb 20, 2011
Steps 1. Place bottle in refrigerator for 5 min (not shown) 2. Make 1 score along outer circumference of the bottle using sharp edge object 3. Pour boiling water onto the cut while rotating the bottle. 4. Pour cold water onto the cut while rotating the bottle. 5. If the bottle doesn't break, repeat steps 3 and 4 until fracture occurs