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check-in - n. the act or process of reporting that you have arrived at a hotel, an airport, etc.
CT scanners - n. A computed tomography scan uses X-rays to make detailed pictures of structures inside of the body.
baggage - n. the bags, suitcases, and personal things that a person carries when traveling
boarding - n. to get into or onto something
gate - n. an area at an airport where passengers arrive and leave
interviews - n. a meeting at which people talk to each other in order to ask questions and get information
pre-screening - n. to examine people or things in order to decide if they are suitable for a particular purpose
