LTA Trial Passenger Information System (PIS) onboard SMB3053M – Default screen and advertising feature

LTA Trial Passenger Information System (PIS) onboard SMB3053M - Default screen and advertising feature

LTA Trial Passenger Information System (PIS) onboard SMB3053M – Default screen and advertising feature

LTA Trial Passenger Information System (PIS) onboard SMB3053M – Default screen and advertising feature

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