Personnel working in food handling areas must maintain high standards of personal hygiene and cleanliness. They should wear protective clothing like head coverings, masks, gloves, and aprons. Any cuts or wounds should be covered. Hands must be washed before starting work, after using the toilet, and after handling raw foods. Smoking, spitting, eating or chewing are prohibited during food preparation. Jewelry and other accessories should not be worn or brought into food areas. Visitors must also adhere to hygiene standards by wearing protective clothing.