Culture File 13:
Security checks are different in different countries. In some countries you have all your baggage scanned before (or when) you enter the terminal building, and often there is a separate line to scan baggage before you can go to the check-in desk.
At check-in there are questions (see Unit 12). For international flights you will have to go through a security check before you enter the departure lounges.
In the U.S.A., this security check will usually be later, at the boarding gate. You will have to pass through a scanner. There is normally a plastic tray at the side, and you should put any metal objects (keys, coins) on this tray before passing through the scanner. A security officer may want to check your clothes and pockets. Raise your arms and stand still. Occasionally, they may ask to check your shoes. Always be polite and courteous and don’t forget your belongings. Some airlines have a further check at the gate, as you board the airplane.