Engine_2014 : Engineering Safety - 1984/2355
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| Which of the conditions listed is necessary for a substance to burn? |
| A) The temperature of the substance must be equal to or above its fire point. |
| B) The air must contain oxygen in sufficient quantity. |
| C) The mixture of vapors with air must be between the LEL and the UEL. |
| D) All of the above. |
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