Enthalpy-Entropy Diagram for Steam by C-LJ.B on Flickr

Enthalpy-Entropy Diagram for Steam by C-LJ.B on Flickr

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Marineboutron: Bettina Rheims

Troisdumatin: Tush Appreciation Post.

Tush

Tush

Tush

Keslertran: Walking Among Giants

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Sexxxualdesires: This Be My Tush.

Sexxxualdesires: ;)

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Tush

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