Hello! I am a security officer of this flight. Your behavior will endanger the safe of this aircraft, please switch off your mobile phone. According to CAAC's regulations, we have clear requirements for using international special equipment transfer documents. Our team is committed to providing a safe and secure environment for our passengers and crew. We take pride in our work and strive to do everything with honesty and integrity. As security officers, we are responsible for ensuring the safety of everyone on board. That's why we need to follow strict rules and regulations. For example, we have specific guidelines for deploying personnel and assigning security tasks. We also have clear standards for identifying and controlling sharp objects. And when it comes to protecting passengers and crew during emergency situations, we have specific protocols in place. As security officers, we take our jobs seriously and are dedicated to keeping everyone safe. That's why we need your cooperation and understanding. So, please follow the rules and regulations set by us to ensure a safe and secure flight for everyone.