Sanitary practices (7)
I believe the answer is:
hygiene
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sanitary practices</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hygiene that I've seen before include "Condition promoting sanitary practices" , "Practice of cleanliness to maintain health" , "Clean and healthy practices" , "The practice or conditions of cleanliness" , "Clean, healthy habits" .)