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    Concerning vocal alarms, vibrating alarms and instructions for escape from 
    danger:
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      If emergency warning systems, e.g. vibrating alarms or vocal alarms, are 
      installed, they should include a means of warning for visually impaired 
      persons.
 
  
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      Visual alarm devices should be provided for persons with hearing 
      impairments.
 
  
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      Sockets should be privided near beds to allow alarm systems, including 
      vibrating under-pillow devices, to be connected aasily.
 
  
     
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