Why do we use warning signs?
We use them as an advice.
We use them as a sugestion
We use them to prevent an accident.
Where you can find this warning sign?
At the mall
At the concert
At the gas station
What means this sign?
You can't get in without helmet .
You must stop
Personnel only
private property
I see this sign:
at the curch
in the parking lote
in the bridge
in the free way
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