| http://www.w3.org/ns/prov#value | - A fuel cell stack apparatus including at least one component selected from the group consisting of a separator plate, a manifold, a membrane electrode assembly, a vent, a pipe, and an enclosure, the component having a surface portion adapted for repelling a liquid, said surface portion including a substrate with a multiplicity of asperities thereon, each asperity having a cross-sectional dimension
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