Careful observation of the instrument will reveal that the hood exhaust of 100 cfm (cubic feet per minute) is almost flush against the top of the flame heat shield, which sits above the burner. This means that the entire exhaust flow is through the burner chamber, causing the combustible gases to be exhausted before they can be ignited. The technician has several possible solutions to this. The best would be to raise the hood exhaust so that the air flow around the burner is reduced. However this will require a work order to plant and may take several weeks to implement. She is in a hurry to get several analyses done, so she must find an immediate solution. What can she do?

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