Parts, that can be replaced by defined other parts:

Definition

  <replaceparts>
    <repcategory name ="...">
      <part id="..." />
      <part id="..." />
    </repcategory>
    
    <repcategory name ="...">
      <part id="..." />
      <part id="..." />
    </repcategory>
  </replaceparts>

Example

  <replaceparts>
    <repcategory name ="profile">
      <part id="P40x40S" />
      <part id="P40x80S" />
      <part id="P80x80S" />
      <part id="P40X4045SD" />
      <part id="P40X40R40SD" />
    </repcategory>
    
    <repcategory name ="schutz">
      <part id="guard_screen" />
      <part id="guard_door" />
    </repcategory>
  </replaceparts>