1. let the thermometer dip or touch with what you want to measure the temperature of the bulb, and be careful not to touch the sides or?The bottom of the container.2. make the stem of the thermometer tua in a vertical.3. read the temperature when the liquid in the tube still saw yu.4. read the temperature value must be in the same level, the eye is the level of liquids in polymer light meter.5. read the temperature while the thermometer touch po action to what is measured. When the read is complete, remove from exposure.
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