Operates (4)
I believe the answer is:
uses
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">operates</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for uses that I've seen before include "Employs" , "'Purposes, functions (4)'" , "Employments" , "What an employer does" , "Exercises" .)