1. The drying time is clearly defined in each process. After the drying is completed, there will be an alarm lamp, and the oven cannot be turned on during the working process; <br>2. The temperature of the oven will be displayed on the oven's thermometer and recorded In the accompanying record sheet; <br>3. The calibration of the oven thermometer will be calibrated along with the oven, and the record will be saved in the calibration system; <br>4. The daily inspection table and work instructions of the oven.
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