There are provided a fuel cell having stable and good power generation characteristics and good safety, a fuel cell system including the fuel cell and an electronic device equipped with the fuel cell. The configurable adjustable inflatable device may include a covering layer that may partially or completely surround the inflatable bladders and may attach to the membrane or the inflatable bladders. The pawls include a forward set of free-floating pawls and a reverse set of free-floating, clustered pawls. The relative attack surface can be determined prior to or during utilization of a product. The dispense head dies defines top slots. 5 wt %, and a carbon equivalent defined as \u201cC+\u2153Si\u201d of 2.