No celphone warning sign turn off cell phones and wireless devices
Schlüsselwörter
signs,
phone,
safety,
driving,
off,
mobile,
quiet,
turn,
no,
silence,
call,
warning,
zone,
silent,
forbidden,
cellular,
electronic,
wireless,
mobile phone,
public,
prohibition,
attention,
smartphone,
prohibited,
signboard,
texting,
talk,
rule
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