airline
airplane
amusement
booking
bus
cinema
color
colorful
contour
coupon
design
flight
icon
illustration
international
internet
interpreter
isolated
laptop
line
linear
locomotive
movie
online
outline
park
pass
passenger
plane
railroad
railway
set
ship
sign
symbol
ticket
tourism
train
tram
translate
translation
transpor
transport
transportation
travel
trip
vehicle