| CPC H05K 7/203 (2013.01) [H05K 7/20327 (2013.01)] | 18 Claims |

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1. A cooling system, comprising:
a tank configured to contain a liquid, with a head space above the liquid;
a first bellows gaseously coupled with the head space, wherein the first bellows is at least partially inside the tank; and
a second bellows gaseously coupled with the head space, wherein the second bellows is located outside the tank.
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