sound alarm school wall bell notification higher educational institution during evacuation simple linear vector |
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| navigate by keyword : alarm alert attention bell black call caution contour danger department educational emergency equipment evacuation fire firefighter flame hanging help higher icon institution isolated line linear loud mounted noise notification outline pictogram police prevention protection rescue ring safety school security shape sign silhouette simple siren sound symbol thin urgency urgent vector wake wall warning |
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| Sound alarm school wall bell. Sound notification in a higher educational institution during evacuation. Simple linear vector |
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