A yellow hazard sign with a black border and exclamation mark
Schlüsselwörter
caution,
warning,
danger,
alert,
attention,
hazard,
safety,
signs,
symbol,
icon,
information,
notice,
important,
stop,
prohibited,
forbidden,
restricted,
out,
of,
order,
broken,
damaged,
faulty,
closed,
suspended,
off,
duty,
under,
maintenance,
repair,
inspection,
investigation,
test,
experiment,
research,
development,
study,
analysis,
evaluation,
review,
assessment,
observation,
exam,
scrutiny,
monitoring,
surveillance
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