This Depicts Prohibition Sign 837189384

Tags: symbol communication attention headphones solitude avoidance caution alert regulation precaution prohibition informative signage instructional noise pollution warning sign Audio Equipment Warning Symbol graphic design ear protection risk management visual communication workplace safety noise control safety sign personal space red circle no sound health precaution icon design ear safety clear message noise cancellation ear health ergonomic design public awareness sound barriers silent environment visual cue workplace rules headset ban directive sign general safety sound safety auditory danger sound regulations