Supplementary to Audible Alarms: VADs are especially helpful in substantial-noise spots or the place hearing defense is worn, supplementing standard audible alarms. Tasks slide into the subsequent categories: video clip; images; art; interior layout and architectural studies; textile and apparel administration; strategic communications and graphic structure; theatre; and an open https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/