Passengers on domestic flights not have to check in until fifteen minutes before departure You shouldn’t go to work or leave the house for five days Take these pills and come back next monday morning BAGGAGE MUST NOT CHEQUES MUST BE ACCOMPANIED A BANKERS CARD must not be used in the bathroom Patients should arrive five minutes before their BE LEFT BY The appliance UNATTENDE D appointment s I’m afraid you DOGS MUST BEKEPT ON A LEASH have to leave the room by 12.00, madam Where can you see or hear these messages?