A post-operative compression bra having an opening located between two portions, a front right portion and a front left portion that are secured together using strap clips that allow pressure being exerted by the bra on a patient to be adjusted. An antenna tile may include one or more antenna patch elements, a circuit board, and a support structure. The shelf manager monitors the temperatures of different portions of each field replaceable unit according to signals from the temperature sensors. Because CO2 discharged from the solid oxide fuel cell, which uses carbon monoxide as a fuel, after a fuel cell reaction, is reused as reactant gas, carbon dioxide is not emitted into the atmosphere.