Keywords
alarm, alertness, attentive, bell, blur, brick wall, close, close-up, color, detail, differential focus, equipment, fire alarm, focus, focus on foreground, focus techniques, gear, health-and-safety, letter, life preserver, metal, nobody, orthographic text, red, safe, safety, safety equipment, shallow focus, text, typography, view, view point, wall, warning, white, white color, word, writing, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u88395206