A variety of alerting devices are available which use visual means to alert individuals to doorbells, telephones, a knock at the door, a baby's crying, oven timers, and smoke detectors, among other sounds of daily life.
(A variety of alerting devices; are; available which use visual means to alert individuals to doorbells, telephones, a knock at the door, a baby's crying, oven timers, and smoke detectors, among other sounds of daily life) (available; use; visual means; to alert individuals to doorbells, telephones, a knock at the door)
A variety of alerting devices available
are use
available which use visual means to alert individuals to doorbells, telephones, a knock at the door, a baby's crying, oven timers, and smoke detectors, among other sounds of daily life
visual means to alert individuals to doorbells, telephones, a knock at the door