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        </MaterialFraction>
        <MaterialFraction fraction="0.00432995670043299">
          <rMaterial name="materials:Titanium" />
        </MaterialFraction>
        <MaterialFraction fraction="0.00432995670043299">
          <rMaterial name="trackermaterial:T_Copper" />
        </MaterialFraction>
        <MaterialFraction fraction="0.61420385796142">
          <rMaterial name="materials:Epoxy" />
        </MaterialFraction>
        <MaterialFraction fraction="0.00432995670043299">
          <rMaterial name="materials:Polyethylene" />
        </MaterialFraction>
        <MaterialFraction fraction="0.0518994810051899">
          <rMaterial name="trackermaterial:T_FR4" />
        </MaterialFraction>
        <MaterialFraction fraction="0.0786892131078689">
          <rMaterial name="trackermaterial:T_CarbonFibreStr" />
        </MaterialFraction>
      </CompositeMaterial>
    </MaterialSection>
  </DDDefinition>
  