diff --git a/Information/HeatTransfer/BasesClasses/EQ_PartialWall.PNG b/Information/HeatTransfer/BasesClasses/EQ_PartialWall.png
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diff --git a/Information/PDE/ThermalDiffusion/EQ_central.PNG b/Information/PDE/ThermalDiffusion/EQ_central.png
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rename from Information/PDE/ThermalDiffusion/EQ_central.PNG
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diff --git a/Information/PDE/ThermalDiffusion/EQ_spaceDerivative.PNG b/Information/PDE/ThermalDiffusion/EQ_spaceDerivative.png
similarity index 100%
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