Every flight is a flight-non-cigarette ACE $ marks are not allowed on board the aircraft is covenient, because it will affect the safety of all passengers, including you.
All flights are non-smoking flight left at the ฿ means no smoking allowed on the plane because it will affect the safety of all passengers, including yourself.
All flight flight was smoking Sumiko low mean not allow smoking on the plane because it will affect the safety of all the passengers, including yourself.