n style="font-family: ms sans serif;"><span style="font-weight: bold;">static</span><br style="font-weight: bold;">
            <span style="font-weight: bold;">density</span><br>
            </span></td>
            <td style="text-align: center; font-weight: bold; background-color: rgb(214, 255, 214);"><span style="font-family: ms sans serif;">dynamic<br>
model</span></td>
          </tr>
          <tr>
            <td style="background-color: rgb(204, 255, 255); text-align: center;"><span style="f