It is fairly common for machinery in workshops to be fitted with emergency alarms. This is also the case in areas where certain equipment such as forklifts are in operation. Most of the time, these alarms are auditory, as bells or sirens. There are two ways to make these accessible to deaf people. One is through the use of flashing lights and the other through the use of a vibrating alarm.
Flashing alarms – which actually benefit everyone in an emergency, especially in noisy environments – are used to make an alarm visual to all in the immediate environment. Tactile or vibrating alarms are only accessible to whomever is wearing the device that vibrates and which interacts with the alarm system. Therefore, it is most common in public places to use flashing alarms.
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