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slab diffusion
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  1. Tek-Talk
    The new issue of #Tech_Diving_Mag is available for download at www.techdivingmag.com Contents: * Slab Diffusion * Even The Best Plans Go Awry... * Borongan Samar - Philippines Cave Expedition 2015 * Tec Diver = Two of Everything and Harder to Kill * Considerations of Oxygen in Diving...
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