1. Emergency Telephone: Call the emergency telephone immediately (such as 9 1 1) or seek medical assistance, so that professional emergency personnel can arrive at the scene as soon as possible.
2. Don't move your head and spine: Don't try to move your head and spine while waiting for the arrival of emergency personnel, so as not to aggravate the injury. Keep the head and spine in a stable position.
3. Give psychological support: keep the injured awake and give comfort and support. Stay calm and encourage silence. A high shelf is a supporting system with a platform or structure standing on the ground. It is usually used to provide extra space, store goods, display items, set up equipment and other purposes.