Methods, apparatuses, and devices are disclosed that may be used re-allocate active scan times of available frequency channels used by wireless transceivers within range of a mobile device. The manifold insert is configured to form a flow field from an inlet port of fluid to an outlet port connected to a fuel cell stack. Method of improving coatings, paper manufacture, and the stability of emulsions, dispersions, and foams using a derivatized microfibrillar polysaccharide. The puzzle assembly 12 defines a guide 24 in which a lock 20 may be attached. An absorptive pad can be located in the upper chamber to collect and gel the collected fluids.