The coal mine canteen is so dry. According to relevant information, the coal mine canteen is very dry. As long as the quality of procurement is strictly controlled, diseases can be prevented and eliminated, and the remaining moldy, rotten, moth-eaten, toxic, expired or prohibited by the health law cannot be purchased. Prevent food poisoning. The canteen warehouse is clean and tidy, classified and stored, moisture-proof and mildew-proof. Food should not be stored in the refrigerator or freezer for more than 48 hours, and overnight meals are strictly prohibited.