機器
airport
authorize
background
bank
banking
bus
card
cashless
communication
concept
contactless
control
design
device
digital
entrance
faregate
gate
hand
icon
identification
illustration
internet
metro
mobile
nfc
passenger
pay
payment
railway
rfid
security
shopping
sign
smartphone
smartwatch
station
subway
symbol
taxi
technology
ticket
transaction
transport
transportation
travel
vehicle
wireless