P_144
Schlüsselwörter
virus,
flu,
disease,
icon,
vector,
illustration,
symbol,
logotype,
style,
concept,
isolated,
graphic,
design,
outline,
thin,
line,
sneeze,
cough,
protection,
suit,
mask,
lung,
infection,
industrial,
anti,
cleaning,
climate,
atmosphere,
fog,
smog,
air,
pollution,
smoke,
dust,
cancer,
waste,
micro,
toxic,
hazard,
dirty,
fume,
people,
fire,
pollutant,
cloud,
exhaust
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