Cann't the edible oil drum in the canteen be put on the ground? The edible oil drums in the canteen can't be placed on the ground. This is because when placing edible oil drums in the canteen, you should choose a smooth, non-toxic, pollution-free and easy-to-clean table or shelf to avoid direct contact with the ground, so as to avoid impurities and dirt at the bottom of the oil drums polluting oil products and affecting food safety and human health. Canteen refers to a place that provides catering services for schools, factories, enterprises and institutions. Canteen is a place for collective dining, including dining area, chef's room and food storage area. The canteen should provide hygienic, healthy, nutritious and delicious catering services to meet people's nutritional needs.