Laboratory equipment and supplies, namely, thermometers; Candy thermometers; Meat thermometers; Thermometers, not for medical purposes; Temperature meters not for medical use; Hygrometers; Thermo-hygrometers; Thermometers other than for medical use; Thermometers not for medical purposes; Soil moisture meters; Infrared thermometers, not for medical purposes; Temperature switches; Humidistats