Unlike manual cooking with simple pot the cooker usually is double jacket and with heating medium inside，by heating the medium to heat the cooker such as oil/water/steam.(What should i chose?)

According to the specific arrangement of the Mid-Autumn Festival National Day holiday notice in 2023, the company informs the following about the holiday time and precautions

According to the specific arrangement of the national holiday time of Qingming in 2023, the company informs the following about the holiday time and precautions of Qingming