A better approach to {TAIL ~ the problem} is to provide communications devices which may themselves be connected together in what may be considered to be a “stack” such that when {HEAD ~ the capacity} of existing equipment is exhausted further capacity may be added by simply adding an additional device to the stack 
A better approach to { TAIL ~ the problem } is to provide communications devices which may themselves be connected together in what may be considered to be a “ stack ” such that when { HEAD ~ the capacity } of existing equipment is exhausted further capacity may be added by simply adding an additional device to the stack
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