When it comes to cover glass candles are lit, it turns out that erection. Some candle light gradually dims down and fire. Water color combinations that are in a higher level, that is covering the glass, it is because the air pressure outside the glass, rather than inside the glass. The air pressure inside the glass decreases because the air inside the glass part was used in the burning of the candle so the air inside the glass so the air pressure decrease within the glass, thus reduced. The air is best used in the burning of a candle, the oxygen gas we used to breathe enough.
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