1: Travel
2: insurance
3: visit
4: travel sick
5: flight
6: ticket
7: passport
8: wing
9: engine
10: stairs
11: aisle
12: seat
13: seat-belt
14: ground staff
15: sign
16: emergency exit
17: flight attendant
18: customs
19: luggage trolley
20: arrival
21: departure
22: suitcase
23: luggage
24: life-jacket