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      <div class="title_topic3" id="xps10_pagetitle">Avoidance &mdash; Zlevel</div>
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                  <p class="para_note_body">The clearance plane and lower limit planes may be inherited from a geometry group, This allows several operations to share the same clearance plane. If you specify the clearance plane in avoidance, then the inheritance is turned off. If you change your mind and want to use the plane in the group, then you need to go to the inheritance list and turn the inheritance back on.</p>
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