yellow exclamation mark sticker template - attention sign, editable scalable graphic

announcement exclamation information prevention background guidepost signboard billboard important forbidden pictogram attention printable undefined signpost industry security isolated scalable template triangle placard element prevent concept careful graphic caution digital message problem sticker traffic warning button advice banner beware circle danger design hazard mockup notice notify poster safety square symbol vector yellow blank plank shape guard alarm alert board check error label point pole logo safe road site file flat icon