Megaphone in woman hands on a yellow background.
Schlüsselwörter
advertisement,
alert,
announce,
attention,
bullhorn,
communication,
device,
electronic,
emergency,
equipment,
horn,
information,
isolated,
loud,
louder,
loudspeaker,
media,
megaphone,
mouthpiece,
opinion,
proclaim,
protest,
shout,
speaker,
speech,
trumpet,
volume,
white
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