You must wear a party hat.
You must wear a helmet.
No buses can sotp here.
Only buses can stop here.
No humans allowed.
You mustn't walk here.
Turn right
Turn left
Please give up this seat for a younger passenger.
Please give up this seat for an older passenger.
No fewer than 8 persons in this lift.
No more than 8 persons in this lift.
Waiters and waitresses must be under 16.
Waiters and waitresses must be over 16.
Please slow drively.
Please drive slowly
Beware of safety.
Be careful.
No Mc'Donalds.
You mustn't eat or drink here.
Heat well after serving.
Heat well before serving.
Poisonous and evil rubbish
Poisonous and harmful substances
Please feed the animals at the zoo.
Please don't feed the animals at the zoo.
Rinse well with dirty water
Rinse well with clean water.
It is an offence to travel with a ticket.
It is an offence to travel without a ticket.
Remove the new batteries and then insert old ones.
Remove the old batteries and then insert new ones.
One for the price of two
Two for the price of one.
Please switch on your mobile phone before coming to class.
Please switch off your mobile phone before coming to class.
Fall into water carefully.
Be careful of falling into the water.
You must remove your mask.
You must wear/ put on your mask.