Is one that comes from fossil fuels (UK: fossil fuel) is a separate product from the oil refinery or natural gas separation. In natural gas separation plant Which consists of a mixture of two types of hydrocarbons, propane and butane-free, odorless, colorless, poisonous heavier than air. The fire ignited in the range of 2-15% of the volume in air. And the temperature is 400 ° C Ignition in gas mostly from oil refining. The ratio of propane. And butane approximately 70:30, which will allow the heat to high.
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