Warning sign with exclamation mark and signal waves icon.
Schlüsselwörter
warning,
signs,
alert,
danger,
exclamation,
mark,
symbol,
icon,
triangle,
attention,
caution,
hazard,
information,
notification,
signal,
wave,
radio,
wireless,
communication,
broadcast,
transmission,
frequency,
energy,
power,
radiation,
interference,
noise,
error,
problem,
issue,
trouble,
risk,
security,
safety,
protection,
emergency,
urgent,
important,
critical,
notice,
alertness,
awareness,
vigilance,
watch,
monitoring,
detection,
surveillance,
advisory
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