Whistle

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Size: 5795px × 3075px
Photo credit: © Judith Collins / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alert, attention, background, blank, blowing, break-time, call, calling, chrome, clean, crossing, cut, cutout, danger, design, directing, drop, elements, equipment, guard, halt, hearing, high, iconic, icons, instrument, isolated, item, knock, knockout, life, line, noise, objects, officer, outline, patrol, patrolled, pitch, referee, safety, school, scouting, shot, silhouette, silhouetted, silhouettes, silo, single, sound, stop, studio, symbol, traffic-, traffic-attendant, whistle, white